{"id":91,"date":"2024-02-05T01:02:33","date_gmt":"2024-02-05T01:02:33","guid":{"rendered":"https:\/\/squarespace.joannawhiteart.com\/wp\/?p=91"},"modified":"2026-03-14T16:30:46","modified_gmt":"2026-03-14T20:30:46","slug":"costco-kirkland-lemon-blueberry-loaf-review","status":"publish","type":"post","link":"https:\/\/snarklesauce.com\/blog\/2024\/02\/05\/costco-kirkland-lemon-blueberry-loaf-review\/","title":{"rendered":"Costco Lemon Blueberry Loaf Review"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"823\" height=\"823\" src=\"https:\/\/snarklesauce.com\/blog\/wp-content\/uploads\/2024\/06\/costco-lemon-blueberry-loaf_slice-1.jpg\" alt=\"A slice of Lemon Blueberry Loaf Cake from Costco, sitting on a white plate.\" class=\"wp-image-495\" srcset=\"https:\/\/snarklesauce.com\/blog\/wp-content\/uploads\/2024\/06\/costco-lemon-blueberry-loaf_slice-1.jpg 823w, https:\/\/snarklesauce.com\/blog\/wp-content\/uploads\/2024\/06\/costco-lemon-blueberry-loaf_slice-1-300x300.jpg 300w, https:\/\/snarklesauce.com\/blog\/wp-content\/uploads\/2024\/06\/costco-lemon-blueberry-loaf_slice-1-150x150.jpg 150w, https:\/\/snarklesauce.com\/blog\/wp-content\/uploads\/2024\/06\/costco-lemon-blueberry-loaf_slice-1-768x768.jpg 768w\" sizes=\"auto, (max-width: 823px) 100vw, 823px\" \/><\/figure>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p><em>Author\u2019s note: I was not paid or compensated for this review, and I have no affiliation with <\/em><a href=\"https:\/\/www.costco.com\/\" target=\"_blank\" rel=\"noreferrer noopener\"><em>Costco<\/em><\/a><em>.<\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Probably shouldn\u2019t buy this.<\/h2>\n\n\n\n<p>If y&#8217;all haven&#8217;t tried <a href=\"https:\/\/www.allrecipes.com\/costco-lemon-blueberry-cake-april-2023-7486437\" target=\"_blank\" rel=\"noreferrer noopener\">Costco\u2019s Kirkland Lemon Blueberry<\/a> loaf yet, you probably should. Or maybe you shouldn&#8217;t. Probably shouldn&#8217;t. It&#8217;s seriously addictive. Whatever unholy combination of &#8220;natural and artificial flavorings&#8221; they&#8217;ve added to this product has convinced my brain to eat as much as I can possibly stuff inside me in one sitting. Beware.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\" id=\"yui_3_17_2_1_1717548762756_86\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"769\" src=\"https:\/\/snarklesauce.com\/blog\/wp-content\/uploads\/2024\/06\/costco-lemon-blueberry-loaf_streusel-close-up-1024x769.jpg\" alt=\"Close up of streusel and icing topping on a loaf of Costco Lemon Blueberry Cake from the Kirkland bakery.\" class=\"wp-image-497\" srcset=\"https:\/\/snarklesauce.com\/blog\/wp-content\/uploads\/2024\/06\/costco-lemon-blueberry-loaf_streusel-close-up-1024x769.jpg 1024w, https:\/\/snarklesauce.com\/blog\/wp-content\/uploads\/2024\/06\/costco-lemon-blueberry-loaf_streusel-close-up-300x225.jpg 300w, https:\/\/snarklesauce.com\/blog\/wp-content\/uploads\/2024\/06\/costco-lemon-blueberry-loaf_streusel-close-up-768x577.jpg 768w, https:\/\/snarklesauce.com\/blog\/wp-content\/uploads\/2024\/06\/costco-lemon-blueberry-loaf_streusel-close-up.jpg 1096w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>The texture is VERY moist, but not soggy. It&#8217;s smoother than a muffin, with a fine crumb and silky mouth feel. It&#8217;s sweet but not cloying, and the lemon flavor is pleasantly subtle. Personally, I think the loaf tastes homemade and freshly baked because the edges\/crust have a slight crispness.<\/p>\n\n\n\n<p class=\"has-text-align-center\"><em>(Looking for another berry-filled Costco bakery treat? Here&#8217;s my review of the <a href=\"https:\/\/snarklesauce.com\/blog\/2025\/06\/02\/costco-lemon-raspberry-muffins-review\/\" data-type=\"post\" data-id=\"8713\">Lemon Raspberry Muffins<\/a>.)<\/em><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<figure class=\"wp-block-image size-full\" id=\"yui_3_17_2_1_1717548762756_95\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"735\" src=\"https:\/\/snarklesauce.com\/blog\/wp-content\/uploads\/2024\/06\/costco-lemon-blueberry-loaf_detail.jpg\" alt=\"Close up of berries and texture on a piece of Costco Lemon Blueberry loaf cake.\" class=\"wp-image-499\" srcset=\"https:\/\/snarklesauce.com\/blog\/wp-content\/uploads\/2024\/06\/costco-lemon-blueberry-loaf_detail.jpg 800w, https:\/\/snarklesauce.com\/blog\/wp-content\/uploads\/2024\/06\/costco-lemon-blueberry-loaf_detail-300x276.jpg 300w, https:\/\/snarklesauce.com\/blog\/wp-content\/uploads\/2024\/06\/costco-lemon-blueberry-loaf_detail-768x706.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>There&#8217;s a lovely texture change on top of the loaf from the streusel crumbles. Although I <em>wish<\/em> the blueberries were more numerous and tangy, they&#8217;re fresh and fruity tasting. Sweet, soft blueberries. Big blueberries. Evenly distributed blueberries.* Just not tons of them. Alas.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\" id=\"yui_3_17_2_1_1717548762756_104\"><img loading=\"lazy\" decoding=\"async\" width=\"756\" height=\"823\" src=\"https:\/\/snarklesauce.com\/blog\/wp-content\/uploads\/2024\/06\/costco-lemon-blueberry-loaf_sliced.jpg\" alt=\"A loaf of Lemon Blueberry Cake from Costco, sliced open, sitting on white parchment.\" class=\"wp-image-500\" srcset=\"https:\/\/snarklesauce.com\/blog\/wp-content\/uploads\/2024\/06\/costco-lemon-blueberry-loaf_sliced.jpg 756w, https:\/\/snarklesauce.com\/blog\/wp-content\/uploads\/2024\/06\/costco-lemon-blueberry-loaf_sliced-276x300.jpg 276w\" sizes=\"auto, (max-width: 756px) 100vw, 756px\" \/><\/figure>\n\n\n\n<p>Visually, this loaf is attractive enough to serve at an elegant brunch or tea party. The lattice of icing on top adds some fancy flair.<\/p>\n\n\n\n<p>*Unfortunately, as I worked my way through the loaf, the blueberries became more and more scarce. Toward the end, there were only one or two fragments per slice, which was massively disappointing. Alas. I\u2019ve been catfished!<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<figure class=\"wp-block-image size-large\" id=\"yui_3_17_2_1_1717548762756_113\"><img loading=\"lazy\" decoding=\"async\" width=\"990\" height=\"1024\" src=\"https:\/\/snarklesauce.com\/blog\/wp-content\/uploads\/2024\/06\/costco-lemon-blueberry-loaf_no-fruit-990x1024.jpg\" alt=\"A slice of Costco Kirkland Lemon Blueberry Loaf with almost no blueberries.\" class=\"wp-image-501\" srcset=\"https:\/\/snarklesauce.com\/blog\/wp-content\/uploads\/2024\/06\/costco-lemon-blueberry-loaf_no-fruit-990x1024.jpg 990w, https:\/\/snarklesauce.com\/blog\/wp-content\/uploads\/2024\/06\/costco-lemon-blueberry-loaf_no-fruit-290x300.jpg 290w, https:\/\/snarklesauce.com\/blog\/wp-content\/uploads\/2024\/06\/costco-lemon-blueberry-loaf_no-fruit-768x794.jpg 768w, https:\/\/snarklesauce.com\/blog\/wp-content\/uploads\/2024\/06\/costco-lemon-blueberry-loaf_no-fruit-1485x1536.jpg 1485w, https:\/\/snarklesauce.com\/blog\/wp-content\/uploads\/2024\/06\/costco-lemon-blueberry-loaf_no-fruit.jpg 1948w\" sizes=\"auto, (max-width: 990px) 100vw, 990px\" \/><\/figure>\n\n\n\n<p>This dessert comes in an aluminum pan, but I was able to gingerly dislodge the whole thing for serving, which improves the appearance dramatically. However, I think keeping it inside the pan extends the moistness and freshness, and it IS surprisingly easy to slice and serve right out of the pan. The slices hold together remarkably well.<\/p>\n\n\n\n<p class=\"has-text-align-center\"><em>(For another citrusy treat from the Costco Bakery, check out my review of the <a href=\"https:\/\/snarklesauce.com\/blog\/2026\/03\/14\/costco-lemon-custard-pie-review\/\" data-type=\"post\" data-id=\"13590\">Lemon Custard Pie<\/a>.)<\/em><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<figure class=\"wp-block-image size-full\" id=\"yui_3_17_2_1_1717548762756_122\"><img loading=\"lazy\" decoding=\"async\" width=\"810\" height=\"823\" src=\"https:\/\/snarklesauce.com\/blog\/wp-content\/uploads\/2024\/06\/costco-lemon-blueberry-loaf_ingredients.jpg\" alt=\"Ingredients from the label on a package of Costco Lemon Blueberry Loaf.\" class=\"wp-image-502\" srcset=\"https:\/\/snarklesauce.com\/blog\/wp-content\/uploads\/2024\/06\/costco-lemon-blueberry-loaf_ingredients.jpg 810w, https:\/\/snarklesauce.com\/blog\/wp-content\/uploads\/2024\/06\/costco-lemon-blueberry-loaf_ingredients-295x300.jpg 295w, https:\/\/snarklesauce.com\/blog\/wp-content\/uploads\/2024\/06\/costco-lemon-blueberry-loaf_ingredients-768x780.jpg 768w\" sizes=\"auto, (max-width: 810px) 100vw, 810px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Ingredients in Costco Lemon Blueberry Cake<\/h3>\n\n\n\n<p>Compared to the wholesome elegance of <a href=\"https:\/\/www.snarklesauce.com\/blog\/costco-kirkland-banana-nut-loaf-review\">Costco\u2019s Banana Nut Loaf<\/a>, this ingredient list is rather monstrous:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><em>Sugar<\/em><\/strong><\/li>\n\n\n\n<li><strong><em>Bleached Enriched Wheat Flour <\/em><\/strong><em>(Wheat Flour, Malted Barley Flour, Vitamins B3, B1, B2, Iron, Folic Acid)<\/em><\/li>\n\n\n\n<li><strong><em>Eggs<\/em><\/strong><\/li>\n\n\n\n<li><strong><em>Blueberries<\/em><\/strong><\/li>\n\n\n\n<li><strong><em>Soybean Oil<\/em><\/strong><\/li>\n\n\n\n<li><strong><em>Icing <\/em><\/strong><em>(Sugar, Water, Sorbitol, Corn Syrup, Pectin, Potassium Sorbate [preservative], Locust Bean Gum, Salt, Mono- &amp; Diglycerides, Citric Acid, Agar, Beta Carotene [color])<\/em><\/li>\n\n\n\n<li><strong><em>Water<\/em><\/strong><\/li>\n\n\n\n<li><strong><em>Contains 2% or less of:<\/em><\/strong> <em>Butter (Cream and\/or Milk, Salt), Modified Corn Starch, Vegetable Shortening (Soybean and\/or Palm Oil), Whey, Emulsifiers (Propylene Glycol, Esters of Fatty Acids, Mono- &amp; Diglycerides, Distilled Monoglycerides, Sodium Stearoyl Lactylate, Polysorbate 60, Soy Lecithin, Citric Acid), Egg Yolk, Dextrose, Salt, Wheat Gluten, Leavening (Sodium Bicarbonate, Sodium Acid Pyrophosphate, Sodium Aluminum Phosphate, Monocalcium Phosphate, Dicalcium Phosphate, Tetrasodium Pyrophosphate), Vanilla Extract, Non-Fat Milk, Cellulose, Sodium Caseinate, Natural &amp; Artificial Flavors, Canola Oil, Xanthan Gum, Locust Bean Gum, Guar Gum, Egg Whites, Soy Flour, Calcium Acetate, Sodium Benzoate (preservative).<\/em><\/li>\n<\/ul>\n\n\n\n<p>I mean, soybean oil. Ugh. I <em>do<\/em> hate soybean oil. <em>I do be hating.<\/em> I would vastly prefer butter. I would vastly prefer almost anything. Except maybe cottonseed oil. Ugh.<\/p>\n\n\n\n<p>Completely ridiculous side tangent: Am I the only one that is really discouraged by how sloppy many ingredient labels are these days? I mean, we <em>all<\/em> make typos. But, come on. This is a mass-produced commercial label that surely SOMEONE was paid to proof-read. \u201cNonfar Milk\u201d? Cellulose is listed twice in a row? I can\u2019t tell where some parenthesis end because a bracket is used instead? Some words run into the next without spacing? I can barely read some of this. Do better, Costco. I believe in you. You can do it.<\/p>\n\n\n\n<p>End tangent.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<figure class=\"wp-block-image size-full\" id=\"yui_3_17_2_1_1717548762756_131\"><img loading=\"lazy\" decoding=\"async\" width=\"780\" height=\"823\" src=\"https:\/\/snarklesauce.com\/blog\/wp-content\/uploads\/2024\/06\/costco-lemon-blueberry-loaf_in-pan.jpg\" alt=\"An aluminum pan containing a loaf of Lemon Blueberry Cake from Costco, sitting on a wooden table.\" class=\"wp-image-503\" srcset=\"https:\/\/snarklesauce.com\/blog\/wp-content\/uploads\/2024\/06\/costco-lemon-blueberry-loaf_in-pan.jpg 780w, https:\/\/snarklesauce.com\/blog\/wp-content\/uploads\/2024\/06\/costco-lemon-blueberry-loaf_in-pan-284x300.jpg 284w, https:\/\/snarklesauce.com\/blog\/wp-content\/uploads\/2024\/06\/costco-lemon-blueberry-loaf_in-pan-768x810.jpg 768w\" sizes=\"auto, (max-width: 780px) 100vw, 780px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Servings and Size<\/h2>\n\n\n\n<p>Costco\u2019s Lemon Blueberry Loaf costs $8.99 (price checked 3-14-26) for a 33 ounce package. I\u2019d hazard you could get 8 servings <em>at least<\/em> from this loaf, which means each serving would cost $1.13.<\/p>\n\n\n\n<p>The Costco item # is 1719747. This is a \u201c<a href=\"https:\/\/www.costco.com\/kirkland-signature.html\" target=\"_blank\" rel=\"noreferrer noopener\">Kirkland Signature<\/a>\u201d (store brand) bakery item.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<figure class=\"wp-block-image size-large\" id=\"yui_3_17_2_1_1717548762756_140\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"724\" src=\"https:\/\/snarklesauce.com\/blog\/wp-content\/uploads\/2024\/06\/costco-lemon-blueberry-loaf_in-box-1024x724.jpg\" alt=\"A cardboard box holding a loaf of Costco Lemon Blueberry Cake, sitting on a wooden table.\" class=\"wp-image-504\" srcset=\"https:\/\/snarklesauce.com\/blog\/wp-content\/uploads\/2024\/06\/costco-lemon-blueberry-loaf_in-box-1024x724.jpg 1024w, https:\/\/snarklesauce.com\/blog\/wp-content\/uploads\/2024\/06\/costco-lemon-blueberry-loaf_in-box-300x212.jpg 300w, https:\/\/snarklesauce.com\/blog\/wp-content\/uploads\/2024\/06\/costco-lemon-blueberry-loaf_in-box-768x543.jpg 768w, https:\/\/snarklesauce.com\/blog\/wp-content\/uploads\/2024\/06\/costco-lemon-blueberry-loaf_in-box.jpg 1265w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Shelf Life<\/h2>\n\n\n\n<p>My loaf had a sell-by date a few days after purchase, but I refrigerated it (in the metal pan), and it stayed remarkably moist for 10 days. Much longer than I expected. In fact, it really didn\u2019t change at all in that span of time. Hmmm! I\u2019m aging faster than this cake is!<\/p>\n\n\n\n<p class=\"has-text-align-center\">The End.<\/p>\n<\/div><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h2 class=\"wp-block-heading\">More Reviews of Costco Desserts You Might Like (or Hate)<\/h2>\n\n\n\n<p>Check out these other reviews of Costco bakery desserts I\u2019ve written:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.snarklesauce.com\/blog\/costco-triple-chocolate-cream-pie-review\">Costco Triple Chocolate Cream Pie<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.snarklesauce.com\/blog\/costco-kirkland-bakery-pumpkin-spice-loaf-review\">Costco Pumpkin Spice Loaf<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.snarklesauce.com\/blog\/costco-kirkland-bakery-four-berry-pie-review\">Costco&nbsp;Four Berry Pie<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.snarklesauce.com\/blog\/costco-kirkland-bakery-chocolate-mousse-cake-review\">Costco Chocolate Mousse Cake<\/a><\/li>\n<\/ul>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Probably shouldn&#8217;t buy this.<\/p>\n","protected":false},"author":2,"featured_media":103,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"hide","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[25,26,22,24,27],"tags":[21,18,11,16,10,12,8,9,15,13,19,20],"class_list":["post-91","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bakery","category-cake","category-costco","category-dessert","category-fruit","tag-berries","tag-blueberry","tag-budget","tag-costco-dessert","tag-entertaining","tag-family-meal","tag-food","tag-foodie","tag-groceries","tag-kirkland","tag-lemon","tag-pound-cake"],"_links":{"self":[{"href":"https:\/\/snarklesauce.com\/blog\/wp-json\/wp\/v2\/posts\/91","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/snarklesauce.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/snarklesauce.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/snarklesauce.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/snarklesauce.com\/blog\/wp-json\/wp\/v2\/comments?post=91"}],"version-history":[{"count":1,"href":"https:\/\/snarklesauce.com\/blog\/wp-json\/wp\/v2\/posts\/91\/revisions"}],"predecessor-version":[{"id":13621,"href":"https:\/\/snarklesauce.com\/blog\/wp-json\/wp\/v2\/posts\/91\/revisions\/13621"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/snarklesauce.com\/blog\/wp-json\/wp\/v2\/media\/103"}],"wp:attachment":[{"href":"https:\/\/snarklesauce.com\/blog\/wp-json\/wp\/v2\/media?parent=91"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/snarklesauce.com\/blog\/wp-json\/wp\/v2\/categories?post=91"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/snarklesauce.com\/blog\/wp-json\/wp\/v2\/tags?post=91"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}