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Sourdough Discard

Sourdough Kimchi Cheddar Biscuits with Green Onion Kimchi

Use up some of that sourdough starter and make these buttery, flaky kimchi cheddar biscuits! Packed with flavor from tangy kimchi and cheddar cheese.

Prep: 30 minutes
Cook: 20 minutes
Total: 50 minutes
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Recipe Index | Ferment | Sourdough Discard

Sourdough Kimchi Cheddar Biscuits with Green Onion Kimchi

Use up some of that sourdough starter and make these buttery, flaky kimchi cheddar biscuits! Packed with flavor from tangy kimchi and cheddar cheese.

Kimchi Cheddar Biscuits

After you try these sourdough kimchi cheddar biscuits, they’re the only biscuits you’ll ever want! I love eating them as little breakfast sandwiches with eggs and prosciutto.

You have three options for kimchi in this recipe:

  • Homemade Cabbage Kimchi
  • Homemade Green Onion Kimchi
  • Or store-bought kimchi

I obviously recommend homemade kimchi if you have it!

the golden brown tops of freshly baked kimchi cheddar biscuits on a white parchment paper lined pan

Easy Sourdough Biscuits

These biscuits are simple to make, and you only need about 30 minutes of prep time while your oven preheats to make them.

This is technically a sourdough starter discard recipe, so there is no need for a long rise time or stretch and folds. However, I suggest you still use a fresh, active sourdough starter. A “discard” recipe simply means that you mix the dough, cut, and immediately bake. In discard recipes, the starter is not essential for the rise and texture of the dough.

You get the best texture if you bake these biscuits immediately. You do have the option of long fermenting the biscuits, though.

Overnight Proofing Kimchi Cheddar Biscuits

If you want to, you can make the recipe, cut out the biscuits then place them on a baking sheet and stick them in the fridge for 24-48 hours before baking them. The long fermentation in the fridge develops the flavor and makes them easier to digest.

Ingredients for buttery, flaky sourdough biscuits

  • all-purpose flour ( I used Better Basics Milling Organic Red Fife flour and it’s one of my all time favorite flours to bake with. Use code CULTUREDGURU for 10% off)
  • sugar
  • baking powder
  • sea salt
  • baking soda
  • unsalted butter, frozen overnight
  • active bubbly sourdough starter
  • whole milk
  • heavy cream
  • kimchi, drained (I used my homemade green onion kimchi)
  • cheddar cheese, grated

Can You Freeze Kimchi Cheddar Biscuits?

Yes! You can make them the night before and freeze the raw biscuits.

In the morning, preheat your oven, and they can go right into the oven, still frozen. I like to make a double batch of this recipe to have homemade biscuits ready to serve.

a kimchi cheddar biscuit pulled apart in half to show the inner texture of the biscuit.

Sourdough Starter For Biscuits

These biscuits’ delicious flavor comes from kimchi, cheddar cheese, and a tangy sourdough starter. Make sure the starter you are using is fresh and not too old. You’re supposed to feed your starter every 24 hours, so your discard should never be older than 24 hours.

For the biscuits to rise and be perfectly flaky, you must follow all the ingredients and instructions exactly. Please make sure you use fresh baking soda, too; it’s essential for the texture.

I also want to note the importance of using frozen real butter, and my favorite butter is Maple Hill Organic 100% grass-fed butter.

You can use a biscuit cutter to cut out the biscuits. Another option is to cut the dough into square biscuits, like what is pictured here.

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Sourdough Discard

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Sourdough Kimchi Cheddar Biscuits with Green Onion Kimchi

Use up some of that sourdough starter and make these buttery, flaky, delicious kimchi cheddar biscuits! Packed with flavor from tangy kimchi and savory cheddar cheese, these biscuits are sure to be a hit.

  • Prep: 30 minutes
  • Cook: 20 minutes
  • Total Time: 50 minutes

Ingredients

  • 2 1/4 cups all-purpose flour
  • 2 teaspoons sugar
  • 2 teaspoons baking powder
  • 1 teaspoon sea salt
  • 3/4 teaspoon baking soda
  • 1/2 cup unsalted butter, frozen overnight
  • 1/3 cup kimchi, drained and chopped
  • 1/2 cup cheddar cheese, grated
  • 1 cup active bubbly sourdough starter
  • 1/4 cup whole milk
  • 1/4 cup heavy cream

Instructions

  1. Preheat the oven to 450 degrees F.
  2. In a medium bowl, whisk together sourdough starter, cream, and milk until just combined. Let the mixture sit for about 15 minutes while you prepare everything else.
  3. Line a baking sheet with parchment paper.
  4. In a large bowl, combine flour, sugar, baking powder, salt, and baking soda. Mix with a fork until evenly combined.
  5. Grate butter using the large holes of a cheese grater.
  6. Add the cold grated butter, kimchi and cheddar cheese into the flour mixture. Toss to combine.
  7. Add the milk, cream, and starter mixture to the flour mixture and stir with a spatula until a soft dough forms.
  8. In the bowl, knead the dough 2-3 times until it comes together. Don’t knead it too much, but make sure there are no really dry areas and the dough is all stuck together in one piece.
  9. Lightly flour your counter, and using a rolling pin, roll the dough into a thick rectangle.
  10. Cut out 8 rounds using a 2-inch biscuit or cut out 8-9 squares.
  11. Place biscuits onto the prepared baking sheet. Place in the oven and bake for 15 minutes, or until golden brown. I rotate the pan halfway through for even color.
  12. Serve warm.

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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  1. Melissa
    12|08|2025

    I just made these this morning as I had some leftover kimchi I wanted to use up. I split the dough in half and made one batch as just cheddar, and then added the kimchi to the 2nd batch. My family really enjoyed the biscuits both ways, but said the kimchi ones were awesome! I’ll definitely make these again in the future. Thanks for sharing!

    Reply

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Sourdough + cottage cheese banana bread 🍌 It’s go Sourdough + cottage cheese banana bread 🍌

It’s got 11 grams of protein per slice and can be baked immediately or fermented overnight for better digestibility. 🤗

Get the recipe on my blog! Link is in my bio!
#bananabread
Gosh I hope I pronounced Giardiniera correctly. 🤗 Gosh I hope I pronounced Giardiniera correctly. 🤗 

This jar I made was in my fridge for over six months, and it was time to do something with it. When I don’t know what to do with a ferment, pasta salad is usually the answer!

Get the recipe from the link in my bio! #pasta #salad
Healthy poop potion? I really do think my gut is Healthy poop potion?

I really do think my gut is loving this sauerkraut because of the celeriac (celery root), and I don’t have a science based reason for why. I saw this celery root in the store and had a gut feeling that I should make sauerkraut with it, and that’s how we got here. I guess my microbiome knew what it wanted!

Type “root vegetable sauerkraut -ai” into google and you’ll see my recipe! It’s also on my website homepage, also linked in my bio, and if you’re seeing this on Facebook, link is in the comments. Enjoy!  #sauerkraut
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. 

Try 🍄‍🟫googlin’🍄‍🟫“fermented mushrooms” and you’ll see my recipe, it’s the first result (usually) 🤗

#mushrooms #fermentation
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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.
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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! 

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#hotsauce
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