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Finished cookies with freeze dried strawberry crumbles sitting on a counter with fresh strawberries.
Sourdough Discard

Sourdough Strawberries and Cream Cookies

These are the best strawberries and cream cookies! Made with berries, chocolate chips, and marshmallows for the most fantastic texture and flavor.

Prep: 15 minutes
Cook: 15 minutes
Total: 1 hour
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Recipe Index | Ferment | Sourdough Discard

Sourdough Strawberries and Cream Cookies

These are the best strawberries and cream cookies! Made with berries, chocolate chips, and marshmallows for the most fantastic texture and flavor.

Finished cookies with freeze dried strawberry crumbles sitting on a counter with fresh strawberries.

Strawberries and Cream Sourdough Cookies with White Chocolate and Marshmallows

When I set out to create a sourdough strawberries and cream cookies recipe, I wanted them to have an intensely bright strawberry flavor with creamy, indulgent bites. Instead of vanilla extract, I opted for lemon extract to enhance the tartness of the freeze-dried strawberries, making their flavor pop. For an extra layer of creaminess, I folded in mini white chocolate chips and marshmallows, and wow! These might be my new favorite springtime cookies.

Why Use Freeze-Dried Strawberries?

You must use freeze-dried or dehydrated strawberries to achieve that burst of authentic strawberry flavor.

🥄 Fresh strawberries won’t work; they release too much moisture, making the dough wet and difficult to bake.

🥄 Freeze-dried strawberries provide intense flavor without adding moisture, making them the perfect mix-in.

Why Use Sourdough Discard in Strawberries and Cream Cookies?

With sourdough cookies, it’s all about how you mix the ingredients. The order in which you incorporate them significantly affects the texture of your cookies.

Pouring sourdough starter into the wet ingredients cookie dough mix.
Adding the wet ingredient mix to the flour.


The most important rule is to mix the sourdough discard with the wet ingredients and sugar before adding the dry ingredients. This ensures proper hydration and distribution throughout the dough.


This recipe can be made with either an active sourdough starter or discard. If you’re using discard, ensure it’s at room temperature for the best results.

Freeze dried strawberries. marshmallows are mixed into the wet ingredients mixture to make the strawberry and cream cookies.

Can I Freeze the Dough?

Absolutely! Here’s how I like to do it:

  • When you’re ready to bake frozen cookie dough, place the frozen dough balls on a parchment-lined baking sheet and bake as usual, no need to thaw! (you just might need to leave them in the over 3 extra minutes)
  • Refrigerate the dough overnight before shaping it into cookie dough balls.
  • This recipe, at 1x batch size, makes about 10 cookies. So I usually bake four and freeze the rest.
A strawberry and cream cookie dough ball sits on a pan lined with parchment paper.

How to Mix Sourdough Strawberries and Cream Cookies

  • Start by creaming the butter and sugar together until light and fluffy. This creates a tender cookie texture. Melted, room-temperature butter works best.
  • The sourdough discard acts as an egg replacement, adding moisture and a slight tang. Mix it into the butter-sugar mixture, lemon juice, and lemon extract for extra flavor depth.
  • In a separate bowl, whisk together the dry ingredients: flour, baking soda, baking powder, and salt. Gradually add this mixture to the wet ingredients, stirring until just combined. Avoid overmixing, as it can lead to tough cookies.
  • Gently fold in the freeze-dried strawberries, white chocolate chips, and marshmallows. These add the signature strawberries and cream flavor to every bite.
  • Refrigerate the dough for at least 30 minutes before baking. This step is crucial! Chilling helps the butter firm up, preventing the cookies from spreading too much in the oven.
Several baked strawberry and cream cookies sit on a parchment paper lined counter.

Why Should You Chill Cookie Dough?

Chilling the dough hugely impacts texture. When cookie dough rests in the fridge:

  • butter solidifies, resulting in a thicker cookie.
  • flour absorbs moisture, giving a more tender bite.
  • sourdough discard has time to ferment, making the cookies easier to digest.

Cover and chill the dough overnight (or up to 48 hours) for the best results.

Finished cookies with freeze dried strawberry crumbles sitting on a counter with fresh strawberries.

Can I ferment The Dough Overnight?

Yes! A long fermentation in the fridge makes these cookies even better. The dough can stay refrigerated for up to 2 days before baking (or freezing). Fermenting overnight enhances the flavor and improves digestibility, a major plus when baking with sourdough.

More Sourdough Cookie Recipes

  • Sourdough Lemon Blueberry Cookies (Blueberry Muffin Cookies)
  • Soft and Chewy Sourdough Peanut Butter Cookies
  • Sourdough Chocolate Chip Cookies with Pumpkin and Pecans
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Finished cookies with freeze dried strawberry crumbles sitting on a counter with fresh strawberries.
Sourdough Discard

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Sourdough Chocolate Strawberry Cheesecake Cookies

These are the best strawberries and cream cookies! Made with berries, chocolate chips, and marshmallows for the most fantastic texture and flavor.

  • Prep: 15 minutes
  • Cook: 15 minutes
  • Total Time: 1 hour

Ingredients

  • 170 g all-purpose flour
  • 1/4 tsp baking powder
  • 1/4 tsp baking soda
  • 1/4 tsp salt
  • 116 g salted butter, melted
  • 150 g sugar
  • 130 g sourdough starter, room temp
  • 2 tsp lemon juice
  • 1/4 tsp lemon extract
  • 1/2 cup mini white chocolate chips
  • 1/2 cup mini marshmallows
  • 1/2 cup freeze-dried strawberries

Instructions

  1. Combine the dry ingredients (flour, baking soda, baking powder, salt) in a bowl.
  2. Make sure your butter is at room temperature but melted. Add the butter, sugar, lemon extract, lemon juice, and sourdough starter to a large bowl. Combine with a whisk or hand mixer until even.
  3. Fold the combined dry ingredients into the wet ingredients. Stir until well combined.
  4. Add the chocolate chips, dried strawberries, and marshmallows.
  5. Refrigerate the dough for 30 minutes (or covered, overnight)
  6. Line a cookie sheet with parchment paper. Scoop about 2 tablespoons of cookie dough and shape into balls.
  7. Preheat the oven to 350° and place the cookie dough balls about two to three inches apart on the lined cookie sheet.
  8. Bake for about 15 minutes. Remove from the oven. Your cookies may be puffy and some marshmallow may ooze out the sides, but it’s fine, do not panic, proceed to the next step.
  9. While the cookies are still hot, lift the parchment paper off the pan about a foot above the pan and drop it onto the pan. This will flatten the cookies to the perfect texture. Because of the marshmallows, you may need to use a butter knife to fix the shape of the cookies to be more circular.
  10. Just pat the cookies around the side with a butter knife to make them a circular shape.
  11. I topped them with some extra crumbled freeze-dried strawberries to make them cute!
  12. Let them sit on the cookie sheet until they are completely cool.

Notes

  • PLEASE DO NOT use homemade gelatin marshmallows in this recipe. Homemade marshmallows are not suited for baking because gelatin dissolves at baking temperatures. I used Dandies brand mini marshmallows.

Did you make this recipe?

Please leave a 5-star review below if you loved it! Tag @cultured.guru on Instagram

 

Nutrition information is auto-calculated and estimated as close as possible. We are not responsible for any errors. We have tested the recipe for accuracy, but your results may vary.

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Kaitlynn Fenley Author, Educator, Food Microbiologist
Kaitlynn is a food microbiologist and fermentation expert teaching people how to ferment foods and drinks at home.
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hey i’m kaitlynn, i’m a microbiologist and together with my husband jon we are cultured guru.

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  1. Andrea
    04|08|2023

    These are amazing! I love all your recipes! Thanks so much for sharing them ♥️ what is the best way to store these cookies?

    Reply
    1. Kaitlynn Fenley
      04|11|2023

      After they are baked, I store them in a glass Tupperware container.

      Reply

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A lot of people think vinegar kills all microbes b A lot of people think vinegar kills all microbes because shelf stable pickles do not contain microbes. But with shelf stable pickles, it’s the pasteurization/sterilization via hot water bath or pressure canning that makes shelf stable pickles free of microbes.

Hot hot hot acid in a pressurized environment does kill, well…most microbes. 

Think about “refrigerator pickle” recipes, though. They need to be stored in the refrigerator because vinegar alone doesn’t stop fermentation.

Fridge pickles are made without pasteurization/sterilization (canning) so they will wild ferment without refrigeration, and not necessarily in a good way because there’s not enough salt. 

All vinegar is made via fermentation too, and vinegar fermentation involves acetic acid bacteria, but also a ton of LAB, mainly Lactobacillus, Pediococcus, and Leuconostoc (the same genera you’d find in fermented veg.)  I linked a reference paper in my fermented mushroom recipe blog, so you all can read about the LAB involved in vinegar fermentation. 

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I will not ever wild lacto ferment just beets agai I will not ever wild lacto ferment just beets again lol. Mixing with cabbage for beet sauerkraut is the best though! 

“Lacto fermented beets” was the first ferment I tried to make after learning sauerkraut in college. My best friend Sidney came over and we used these gorgeous beets from the farmers market, with 2.5% salt, and some spices. Well, it ended up tasting like beet moonshine and it was just… not good.

But it was a conduit for learning. Those beets were my first lesson in how different sugars and growth in the rhizosphere vs the phyllosphere influences fermentation. 

Cabbage and the cabbage microbiome offer a lot to balance out beets in fermentation, and I think mixing into a sauerkraut is the only way to go for lacto fermenting beets! 

Try googlin’ “beet and red cabbage sauerkraut” and you’ll see my recipe, I’m Cultured Guru.
Squash is the secret ingredient! My Roasted Butte Squash is the secret ingredient!

My Roasted Butternut Squash Hot Sauce recipe is free on my website! I didn’t cook this one, so yes it’s still probiotic.

When lactic acid bacteria ferment the starches in winter squash, they naturally convert them into emulsifying compounds called exopolysaccharides. So when we blend our hot sauce after fermentation, there’s no watery separation in the bottle. Roasting the squash with the garlic for the recipes also adds such good flavor! 

Definitely make sure it’s fully fermented and not bubbling anymore before you blend and bottle. Otherwise, it’ll carbonate in the cute little hot sauce bottles.

#hotsauce
Myth Busting: Yes, the SCOBY IS the pellicle! Plee Myth Busting: Yes, the SCOBY IS the pellicle! Pleeeease stop saying it’s not. 😌



Watch till the end, I show you how to grow one!



This is a little tidbit from what I teach in the Kombucha lesson in our Fermented Drinks Semester online course!

I also share this recipe FOR FREE just ✨GOOGLE✨ “cultured guru SCOBY” and you’ll see my full recipe with the perfect sugar to tea ratios for growing, feeding and maintaining a kombucha SCOBY.

#kombucha
And the knife stays in the box. GOOGLE “sourdoug And the knife stays in the box. 

GOOGLE “sourdough king cake” my recipe is the first one! 👑☂️💚✨

If you’re like me and prefer from scratch, homemade everything, you’ll definitely want to try this king cake for Mardi Gras! I used organic naturally dyed sprinkles and all that jazz too. 

If you just search “sourdough king cake” on google you’ll see my recipe, it’s usually the first one. 

My main tips for making this:
✨use a very active starter or throw in some instant yeast with your starter
✨make sure the dough is actually proofed before shaping it. If it’s cold in your house it will take longer. 
✨please follow directions! You can cold ferment the dough in the fridge after it doubles in size and BEFORE filling and shaping.

🎵Song is Casanova by Rebirth Brass Band
Fermentation is a gift from the microbes of this e Fermentation is a gift from the microbes of this earth.

When we had a food business, I could never shake the feeling that fermentation is not meant to be sold to you from a fluorescently lit grocery shelf in an endless cycle of waste. Fermentation is meant to be cultivated in your home, with your hands, with intention and love in a sustainable, grateful practice of reciprocity and nourishment. 

This is the story of how we got here. 

After so many lessons learned, our small fermentation business is now value aligned, peaceful, fulfilling, and happy.  It often seems like the gut feelings (the microbes within us) guided us in the right direction. To teach. 

You can learn for free on our blog, or you can enroll in our online courses (we extended our new year sale!) Either way, with me as your teacher, you’ll learn to adopt a holistic perspective on the microbial ecosystems that influence our food, lives, and the planet.
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