Costco Bakery Sourdough Boule Bread Review | Ingredients | Nutrition Facts | Price — Snarkle-Sauce on Wry (2024)

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Written By The Snarkle Sauce

Costco Bakery Sourdough Boule Bread Review | Ingredients | Nutrition Facts | Price — Snarkle-Sauce on Wry (1)

It stayed fresh for three weeks.

Hot dang. These are heavy loaves! Chonky fellows. The loaves are 2-pounds, but not particularly huge. Just heavy. Super dense loaves. At first I wasn’t sure if my bread had risen all the way, because it seemed like my loaf should be larger for the weight. MAYBE it should be, but it was still perfectly tasty in its current manifestation.

Costco Bakery Sourdough Boule Bread Review | Ingredients | Nutrition Facts | Price — Snarkle-Sauce on Wry (2)

This doesn’t look like mass-produced supermarket bread — it really looks artisanal and rustic. The crust is beautifully browned and scored with a decorative lattice pattern and dusted with some flour.

One of the things the Costco bakery has done well is packaging the sourdough in plastic bags that have tiny holes. The holes allow enough air inside to keep the crust crusty. My loaf arrived home looking and feeling like a freshly baked loaf. This is a huge step up from most supermarket bread, which has a flaccid crust from being stored in an airtight plastic bag.

The downside of the holey bag is that the bread needs to be stored in something else if it takes more than a few days to eat it. I put mine in another (unholey) plastic bag at home and stored it in my fridge. This kept the bread from drying out prematurely. More about the shelf-life later.

Costco Bakery Sourdough Boule Bread Review | Ingredients | Nutrition Facts | Price — Snarkle-Sauce on Wry (4)

Surprisingly, the bread is not white. It’s a light tan color. It turns out this is from added dark rye flour. More about the ingredients later. The flavor is tangy, and nutty, with just the right amount of subtle saltiness. I hate it when bread lacks salt and has no flavor.

Costco Bakery Sourdough Boule Bread Review | Ingredients | Nutrition Facts | Price — Snarkle-Sauce on Wry (5)

The texture is traditional sourdough crumb, with large air pockets and a chewy, crisp texture. It’s not as fluffy or soft as some sourdough varieties, but it is moist. I reiterate that this is heckin’ dense bread, so one slice is quite filling.

Costco Bakery Sourdough Boule Bread Review | Ingredients | Nutrition Facts | Price — Snarkle-Sauce on Wry (6)

Ingredients in Kirkland Sourdough Boule

Although this isn’t an organic product, I love that Costco is using unbleached flour. Additionally, this bread is leavened with natural sour culture, not just “sourdough flavor,” which I appreciate. The dark rye flour was a surprise, but this is part of the deep nutty flavor of the loaf, and also what is giving it a sort of tan color instead of white. I’m not a fan of the additional “natural flavors” and “yeast” and “yeast extracts,” but this is still a big step up from most supermarket sourdough.

Here are the full ingredients:

  • Unbleached enriched flour (wheat flour, malted barley flour, niacin, reduced iron, thiamin mononitrate, riboflavin, folic acid)

  • Water

  • Sour culture

  • Dark rye flour

  • 2% or less of: wheat semolina, salt, cultured wheat flour, modified wheat starch, yeast extract, yeast, dough conditioners (ascorbic acid, enzymes), natural flavors

Costco Bakery Sourdough Boule Bread Review | Ingredients | Nutrition Facts | Price — Snarkle-Sauce on Wry (7)

Here’s the crusty bottom of the loaf. Because you like looking at crusty bottoms as much as I do, perhaps.

Costco Bakery Sourdough Boule Bread Review | Ingredients | Nutrition Facts | Price — Snarkle-Sauce on Wry (8)

Here’s a slice. The boule loaf provides long, narrow slices. I ended up cutting the longest ones (near the center of the loaf) in half, to make sandwiches.

Costco Bakery Sourdough Boule Bread Review | Ingredients | Nutrition Facts | Price — Snarkle-Sauce on Wry (9)

The texture is chewy, but soft. The bread actually gets softer towards the center of the loaf. I also found the center to be the most fragrant area — the sour culture smell intensifies as you eat your way into the heart of the loaf.

Costco Bakery Sourdough Boule Bread Review | Ingredients | Nutrition Facts | Price — Snarkle-Sauce on Wry (10)

Like most sourdough, the crust is stiff and…crusty. It has a slightly shiny coating and a bubbly texture.

Here’s another buttery picture, for no reason at all:

Costco Bakery Sourdough Boule Bread Review | Ingredients | Nutrition Facts | Price — Snarkle-Sauce on Wry (11)

Nutrition Facts in the Kirkland Sourdough Boule

Costco Bakery Sourdough Boule Bread Review | Ingredients | Nutrition Facts | Price — Snarkle-Sauce on Wry (12)

The nutrition facts label says there are 16 servings, which seems like a low estimate. This bread has a decent amount of protein per serving at 5 grams, and a token 1 gram of fiber. Because there are no added oils, the fat content is negligible. Each serving has a respectable 140 calories.

Costco Bakery Sourdough Boule Bread Review | Ingredients | Nutrition Facts | Price — Snarkle-Sauce on Wry (13)

Price & Shelf-life for Costco’s Sourdough Boule

The current price of ~$7 per loaf is fair for the size and quality. As mentioned above, there are supposed to be 16 servings, so that is 44 cents per serving.

Warning. I’m going to admit something weird here: my sourdough loaf sat in my refrigerator for more than 3 weeks. I know that’s a LONG time to keep the same loaf of bread, but it’s a big loaf, my friends, and I have a hobbit-sized stomach. After three weeks, the loaf was still fresh-tasting and moist. It hadn’t gone stale or become dry. I’m tremendously impressed by this, and a long shelf-life is a hallmark of real sourdough fermentation, so that’s reassuring.

This is a product I’d definitely buy again.

More Reviews of Sourdough You Might Like (or Hate)

Check out these other reviews of sourdough bread I’ve recently written:

  • Sourdough Bread from The Fresh Market

______

Author’s note: I have no affiliation with Costco, and I was not compensated in any way for this review.

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The Snarkle Sauce

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Costco Bakery Sourdough Boule Bread Review | Ingredients | Nutrition Facts | Price — Snarkle-Sauce on Wry (2024)

FAQs

Is Costco sourdough bread real sourdough? ›

Additionally, this bread is leavened with natural sour culture, not just “sourdough flavor,” which I appreciate. The dark rye flour was a surprise, but this is part of the deep nutty flavor of the loaf, and also what is giving it a sort of tan color instead of white.

Is it okay to eat sourdough bread every day? ›

Health benefits of sourdough. The type of flour used — all-purpose, whole wheat, rye — can affect the nutritional content of sourdough bread, says Wee. But generally speaking, sourdough bread is a healthy option and can be eaten regularly as part of a nutritious, balanced diet.

Is sourdough bread inflammatory? ›

The best bread to reduce gut inflammation is bread made from whole grains. Refined grains, such as the grains found in white bread and white pasta, are known to increase inflammation across the whole body. Sourdough bread and rye bread are both good options for an anti-inflammatory diet.

Is sourdough the healthiest bread? ›

Sourdough bread is a great alternative to conventional bread. It's richer in nutrients, less likely to spike your blood sugar, and generally easier to digest. Just remember that sourdough fermentation doesn't degrade gluten completely.

What brand is a healthy sourdough bread? ›

Nature's Promise is a classic brand of bread that also carries an artisan loaf of sourdough. Each loaf is made with just 5 simple ingredients: enriched wheat flour, whole wheat flour, water, salt, and malt, Byrne shares. One slice will get you 5 grams of protein which is pretty impressive for a single slice of bread.

How do you know if sourdough bread is really sourdough? ›

Always read the label.

Genuine sourdough bread is NOT made using additives, baker's yeast (usually listed simply as yeast) or chemical raising agents (eg baking powder). If there isn't a label (or you just fancy a chat) then... Ask the baker / salesperson for a copy of the ingredients list.

Who should not eat sourdough bread? ›

Not Gluten-Free

People with a gluten intolerance may find that sourdough is easier to digest, but people with celiac disease will likely still experience symptoms if they eat sourdough bread. If you have a gluten intolerance or celiac disease, consult with your physician before adding sourdough bread to your diet.

What does sourdough bread do for your gut? ›

May support gut health

Although the beneficial microbes in the starter tend to be lost during the baking process, the fibre and plant compounds, called polyphenols, become more bio-available. These act as an important fuel source for our gut microbes, which explains why sourdough is a gut-friendly choice.

Is sourdough bread as fattening as normal bread? ›

A 1-ounce slice of sourdough white bread contains 77 calories, 3 grams of protein, 15 grams of carbohydrates, and 1 gram of fiber. A 1-ounce slice of white bread contains 75 calories, 2.5 grams of protein, 14 grams of carbohydrates, and 1 gram of fiber. You may get more nutrients out of a slice of sourdough, though.

What are the side effects of sourdough bread? ›

The most common reaction to fermented foods is a temporary increase in gas and bloating. This is the result of excess gas being produced after probiotics kill harmful gut bacteria and fungi. Probiotics secrete antiomicrobial peptides that kill harmful pathogenic organisms like Salmonella and E. Coli.

Is sourdough bread good for bowels? ›

Using some general guidelines in bread choices can help reduce your symptom flares. Sourdough bread is often better tolerated with IBS. The fermenting process that makes it rise helps break down some gluten and FODMAPS. If you are prone to constipation, ingredients like oats or ground flax may help.

Does sourdough bread cause high cholesterol? ›

Sourdough bread may be good for cholesterol in some people. In one study, participants saw a reduction in serum cholesterol from sourdough bread, while others did not see meaningful effects.

What is the best way to eat sourdough bread? ›

What to Eat With Sourdough Bread?
  1. Stuffing. Stuffing goes with many meals. ...
  2. Roasted with Chicken. Everybody loves a classic roast chicken. ...
  3. French Toast. The texture of sourdough combined with the egg mixture creates the ideal base for French toast. ...
  4. Use it as a Bread Bowl. ...
  5. Avocado Toast. ...
  6. Bread Pudding. ...
  7. Bruschetta.
Dec 30, 2021

What is the healthiest flour for sourdough bread? ›

Compared to whole wheat flour, rye flour is said to be the most nutrient- and amylase-dense option for a sourdough starter. Overall, it has a lower gluten protein content than wheat flour, which means it produces slack, sticky, and dense doughs.

Can diabetics eat sourdough bread? ›

Sourdough bread is made through a slow fermentation process, which may cause this type of bread to raise blood sugar more slowly than other breads. As a result, sourdough bread could be a great choice for those with diabetes. Whole grain sourdough bread is the best sourdough bread for diabetics.

Is store bought sourdough actually sourdough? ›

Supermarket sourdough is often sourfaux – here's how to make the real thing. Mass-produced sourdough has been found to be adulterated with everything from vinegar to commercial yeast. Why not bake your own?

How can you tell if a sourdough store is real? ›

Includes Simple Ingredients: Real sourdough will only contain three ingredients; flour, water, and salt. On a label, this can include flour, water, salt, and “culture” or “starter” which refers to the natural leaven used to make the bread rise, however, the ingredients should not include anything else.

Is rustik sourdough bread real sourdough? ›

Our authentic sourdough can credit its signature, rich flavor to a slow, hand-crafted process allowing for 24 hours of fermentation.

Is sourdough bread healthier than store bought bread? ›

Sourdough's Health Benefits

Sourdough's long fermentation and rising time leads to changes in the bread that don't occur in conventional yeast-leavened bread. These changes may have health benefits for some people, especially those with certain digestive issues.

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