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A square slice of golden kefir sheet cake lifted on a spatula, showcasing its soft and fluffy texture, with powdered sugar dusting on top.

Kefir Sheet Cake

Cherish
Bake a soft and fluffy Kefir Sheet Cake with a perfect moist texture! This easy recipe is packed with probiotics and deliciously simple to make.
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Prep Time 15 minutes
Cook Time 30 minutes
Total Time 45 minutes
Course Dessert
Cuisine American
Servings 12 slices
Calories 220 kcal

Ingredients
  

Dry Ingredients

  • 2 ½ cups all-purpose flour – Provides the cake’s structure while keeping it soft.
  • 1 ½ teaspoons baking powder – Helps the cake rise beautifully.
  • ½ teaspoon baking soda – Reacts with the fermented kefir for extra fluffiness.
  • ½ teaspoon salt – Enhances flavor and balances sweetness.

Wet Ingredients

  • 1 cup kefir milk – The secret to a tender crumb and added healthy probiotics.
  • ¾ cup granulated sugar – Just the right amount of sweetness without overpowering.
  • ½ cup unsalted butter melted – Adds richness and depth of flavor.
  • 2 large eggs – Bind the ingredients together for a smooth velvety batter.
  • 1 teaspoon vanilla extract – A touch of warmth that enhances every bite.

Optional Add-Ins for Extra Flavor

  • Zest of 1 lemon – A hint of citrus brightness.
  • ½ teaspoon cinnamon – For a cozy spiced aroma.
  • ½ cup chocolate chips or berries – To add texture and a touch of indulgence.

Instructions
 

Preheat and Prepare the Pan

  • Preheat your oven to 350°F (175°C) to ensure even baking.
  • Grease a 9x13-inch baking pan with butter or line it with parchment paper for easy cleanup.

Mix the Dry Ingredients

  • In a large mixing bowl, combine:
  • ✔ 2 ½ cups of all-purpose flour
  • ✔ 1 ½ teaspoons of baking powder
  • ✔ ½ teaspoon of baking soda
  • ✔ ½ teaspoon of salt
  • Whisk the dry ingredients together to ensure they’re evenly mixed. This step prevents clumps and helps the cake rise properly.

Combine the Wet Ingredients

  • In a separate bowl, whisk:
  • ✔ 2 large eggs
  • ✔ ¾ cup granulated sugar
  • Beat until the mixture is pale and fluffy. Then, add:
  • ✔ 1 cup kefir milk for a tangy, moist texture.
  • ✔ ½ cup melted butter to enrich the batter.
  • ✔ 1 teaspoon vanilla extract for added flavor.

Blend the Batter

  • Gradually add the dry ingredients into the wet mixture, folding gently with a spatula.
  • Mix just until everything is combined be careful not to overmix, as this can make the cake dense instead of light and airy.

Bake to Perfection

  • Pour the smooth batter into your prepared pan, spreading it evenly with a spatula.
  • Place the pan in the preheated oven and bake for 30-35 minutes. Check doneness by inserting a toothpick in the center if it comes out clean or with a few crumbs, it’s ready!

Cool and Serve

  • Remove the cake from the oven and let it cool in the pan for about 10 minutes.
  • Transfer it to a wire rack to cool completely before slicing.

Add Your Finishing Touches

  • Dust with powdered sugar for a simple look, or drizzle with honey for a glossy finish.
  • Want to get creative? Add fresh berries, whipped cream, or a light glaze for extra flavor.

Notes

Nutrition Information (Per Serving)

  • Calories: 220 kcal
  • Carbohydrates: 30g
  • Protein: 4g
  • Fat: 9g
  • Saturated Fat: 5g
  • Cholesterol: 50mg
  • Sodium: 180mg
  • Fiber: 1g
  • Sugar: 14g
Keyword fluffy sheet cake, kefir cake, kefir sheet cake