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    Home » Desserts

    Kefir Sheet Cake – Czech Kefírová buchta

    Published: Aug 28, 2021 · Modified: Aug 24, 2022 by Petra Kupská

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    Let me introduce here a famous Czech sheet cake, baked with kefir (or buttermilk). The surface is covered with chocolate glaze and decorated with shredded coconut. Czechs call the kefir cake "kefírová buchta". It is one of the first cakes Czech girls learn to bake.

    Czech buttermilk sheet cake - kefírová buchta.
    Table of Contents hide
    About the Recipe
    Ingredients
    Detailed Instructions with Photos
    Serving
    Useful Tips
    Kefir Sheet Cake – Czech Kefírová buchta

    About the Recipe

    This kefir sheet cake is moist, fluffy, absolutely quick, and easy to prepare. It's baked in no time, then all you have to do is wait for it to cool and spread the surface with chocolate glaze. The final touch is the coconut; sprinkle the choco glaze with shredded coconut, and delicious goodness is born!

    The recipe comes from the Czech Republic, called "kefírová buchta" or, more familiarly, "kefírka".

    Kefír in Czech means a kind of sour milk/buttermilk. 

    MY TIP: Try out bublanina, an iconic Czech fruit cake!

    Ingredients

    For cake batter:

    Buttermilk sheet cake ingredients.
    • All-purpose flour
    • Coarse sugar
    • Kefir, optionally buttermilk
    • Eggs
    • Dutch cocoa powder
    • Baking soda; not baking powder
    • Oil; sunflower or canola oil

    For chocolate glaze:

    Ingredients for chocolate glaze.
    • Chocolate chips; dark or semi-sweet
    • Heavy cream
    • Shredded coconut; unsweetened, for sprinkling

    Next, you'll need about a tablespoon of oil and breadcrumbs to grease and line the baking sheet.

    ✅ You’ll find the exact amount of ingredients below in the recipe card, which you can also print out.


    Quick Instructions:

    1. Grease a baking sheet with oil and sprinkle with breadcrumbs.
    2. Preheat the oven to 340 °F (170 °C).
    3. Add kefir and oil in a bowl, add eggs, sugar, cocoa and flour mixed with soda.
    4. Mix until a smooth cake batter is formed.
    5. Pour onto a baking sheet and bake for 20 minutes.
    6. Top with chocolate over the cooled cake and sprinkle with shredded coconut.

    Detailed Instructions with Photos

    Make ahead: First, prepare a baking sheet. Grease it with a tablespoon of oil and dust it with some breadcrumbs or flour—Preheat the oven to 340 °F (170 °C).

    Prepared baking sheet for a buttermilk cake.

    STEP 1: Put the kefir and oil in a bowl. Add an egg, sugar, dutch cocoa, and the flour that you previously mixed with baking soda.

    STEP 2: Using a hand mixer, mix everything until you have a smooth, semi-liquid batter.

    Batter with cocoa for buttermilk cake.

    STEP 3: Pour the batter onto the prepared baking sheet, smoothing the surface with a spatula.

    Making buttermilk cake.

    STEP 4: The exact baking time depends on the baking sheet you use; if it is smaller and the batter layer is higher, it may need to bake a little longer. 4: Place in the preheated oven and bake for 20 minutes. At the end of the baking time, poke a wooden skewer into the dough. If it comes out dry, the buttermilk cake is finished. Otherwise, bake for another 3-5 minutes and repeat the skewer test.

    Buttermilk cake baked.

    STEP 5: Let the kefir cake cool completely.

    STEP 6: Prepare chocolate glaze: In a water bath, melt the chocolate chips (suspend a smaller pot over a larger one with hot water – put the chocolate chips into the smaller one). Add the heavy cream and stir until everything is combined into a smooth chocolate glaze.

    STEP 7: Pour the chocolate icing over the cooled cake and spread evenly over the entire surface.

    Spreading chocolate glaze over buttermilk sheet cake.

    STEP 8: Let sit for a while, and then sprinkle the top with shredded coconut.

    Sprinkling shredded coconut over a buttermilk cake.

    Serving

    Cut the kefir cake into slices about 3x3 inches (in Czech "řezy") and serve on a dessert plate.

    Buttermilk sheet cake served on a plate.

    Useful Tips

    • I baked this cake on a 16x12 inches (40x30 cm) baking sheet.
    • Use baking soda in the batter, not baking powder. Baking soda is without the aftertaste that baking powder sometimes leaves. However, you need to put the cake in the oven right away to make it nice and fluffy.
    • If you want this cake to be juicier, brush the top with jam before topping with the chocolate glaze.

    More Czech sweet pastry:

    • Kolache – an authentic recipe
    • Easy kolacky cookies – fruit filled
    • Poppyseed roll – Czech makový závin
    • Zucchini spice cake

    Tried this recipe?

    Leave a review down in the comments! ⭐⭐⭐⭐⭐

    Follow me on Facebook and Pinterest. Subscribe to my newsletter. Send me any question about Czech cuisine to my e-mail. I love hearing your feedback!

    Buttermilk cake Czech kefírová buchta recipe.

    Kefir Sheet Cake – Czech Kefírová buchta

    Let me introduce here a famous Czech sheet cake, baked with kefir. The surface is covered with chocolate glaze and decorated with shredded coconut. Czechs call this cake "kefírová buchta". It is one of the first cakes Czech girls learn to bake.
    5 from 2 votes
    Print Pin
    Prep Time: 10 minutes
    Cook Time: 20 minutes
    Cooling: 30 minutes
    Total Time: 1 hour
    Servings: 16 pieces
    Calories: 307kcal
    Author: Petra Kupská
    Prevent your screen from going dark
    Course: Pastry
    Cuisine: Czech
    Keyword: sweet pastry

    Ingredients

    Buttermilk batter:

    • 3 cups all-purpose flour (390 g)
    • 1 and ½ cups coarse sugar (300 g)
    • 2 cups kefir (480 ml) optionally buttermilk
    • 1 egg
    • 2 Tablespoons dutch cocoa powder
    • 1 teaspoon baking soda
    • ½ cup oil (120 ml) sunflower oil or Canola

    Chocolate glaze:

    • 1 cup chocolate chips (170 g) dark or semi-sweet
    • ¼ cup heavy cream (60 ml) fat content at least 30 %

    Misc.:

    • 3 Tablespoons schredded coconut unsweetened; to sprinkle the cake
    • 1 Tablespoon oil to grease a baking sheet
    • 1 Tablespoon flour od breadcrumbs to dust the baking sheet

    Instructions

    • Make ahead: First, prepare a baking sheet. Grease it with a tablespoon of oil and dust it with some breadcrumbs or flour—Preheat the oven to 340 °F (170 °C).
    • Put the kefir and oil in a bowl. Add an egg, sugar, dutch cocoa, and the flour you previously mixed with baking soda.
    • Using a hand mixer, mix everything until you have a smooth, semi-liquid batter.
    • Pour the batter onto the prepared baking sheet, smoothing the surface with a spatula.
    • The exact baking time depends on the baking sheet you use; if it is smaller and the batter layer is higher, it may need to bake a little longer. Place in the preheated oven and bake for 20 minutes. At the end of the baking time, poke a wooden skewer into the dough. If it comes out dry, the cake is finished. Otherwise, bake for another 3-5 minutes and repeat the skewer test.
    • Let the kefir cake cool completely.
    • Prepare chocolate glaze: In a water bath, melt the chocolate chips (suspend a smaller pot over a larger one with hot water – put the chocolate chips into the smaller one). Add the heavy cream and stir until everything is combined into a smooth chocolate glaze.
    • Pour the chocolate icing over the cooled cake and spread it evenly over the entire surface.
    • Let sit for a while, and then sprinkle the top with shredded coconut.

    Notes

    1. SERVING: Cut the kefir cake into slices about 3x3 inches (in Czech "řezy") and serve on a dessert plate.
    2. I baked this cake on a 16x12 inches (40x30 cm) baking sheet.
    3. Use baking soda in the batter, not baking powder. Baking soda is without the aftertaste that baking powder sometimes leaves. However, you need to put the cake in the oven right away to make it nice and fluffy.

    DISCLAIMER: Because I come from Central Europe, my recipes are based on metric units such as grams or milliliters. Check out how I convert metric units to the U.S. system:

    Conversion chart

    Nutritional Estimate pro portion

    Calories: 307kcal | Carbohydrates: 43g | Protein: 4g | Fat: 14g | Saturated Fat: 4g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 5g | Trans Fat: 0.03g | Cholesterol: 20mg | Sodium: 93mg | Potassium: 47mg | Fiber: 1g | Sugar: 25g | Vitamin A: 131IU | Vitamin C: 0.04mg | Calcium: 46mg | Iron: 1mg
    Do you like the recipe?I would be happy for your feedback! Please, rate the recipe and share your opinion or questions in comments bellow. Thank you very much.
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    Reader Interactions

    Comments

    1. Ria

      January 05, 2021 at 10:33 am

      I like your tip to add jam, I will try this!

      Reply
      • Petra

        January 05, 2021 at 11:51 am

        Thank you Ria, I hope you will enjoy "kefírová buchta" with the jam! 🙂

        Reply
        • Lili Abee

          August 20, 2022 at 5:17 pm

          5 stars
          Made it last nite. Easy to do. I wish the icing wasnt so runny but still worked. I added salt to the mix and to the icing.

          Reply
          • Petra Kupská

            August 24, 2022 at 12:17 pm

            Hi Lili, thank you for your comment! I'm glad the cake tasted nice despite the minor setbacks in making it.

            Reply
    2. Kristyna

      November 18, 2022 at 11:55 am

      5 stars
      Made this one yesterday. You gotta try it everyone! It was easy, moist, and not overly sweet. One thing LOVE about European desserts is that it's delicious without tasting super sugary. It's a more delicate chocolaty flavor.

      Reply
      • Petra Kupská

        November 18, 2022 at 3:38 pm

        Thanks a lot for your nice feedback, I appreciate it so much! 🙂

        Reply

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    Hi there, I’m Petra, a self-taught home cook and a Czech mom of two teen boys with more than 20 years of cooking experience. I am here to share traditional recipes from the Czech Republic, a small country in the very heart of Europe.

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