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Buttermilk Blueberry Breakfast Cake

Buttermilk Blueberry Breakfast Cake

Okay, let’s be real—mornings can be chaotic. That’s why this Buttermilk Blueberry Breakfast Cake is a total game-changer. Sweet, simple, and makes mornings feel magical. It’s soft, slightly tangy (thank you, buttermilk!), and bursting with juicy blueberries. Whether you’re hosting brunch or need a cozy snack, this cake fits the moment perfectly.

  • Total Time: 55 minutes
  • Yield: 9 slices 1x

Ingredients

Scale
  • ½ cup (115 g) unsalted butter, softened
  • 1 cup (200 g) sugar (plus a little extra for sprinkling on top)
  • 1 egg
  • 1 tsp vanilla extract
  • 2 cups (250 g) all-purpose flour, divided
  • 2 tsp baking powder
  • ½ tsp salt
  • 2 cups fresh blueberries (or frozen, just don’t thaw!)
  • ½ cup buttermilk

Instructions

  1. Preheat oven to 350°F (175°C) and grease an 8×8-inch baking dish or line it with parchment paper.
  2. In a large bowl, cream the softened butter with the sugar until light and fluffy.
  3. Mix in the egg and vanilla extract until well combined.
  4. In a separate bowl, stir together 1¾ cups of the flour, baking powder, and salt.
  5. Gradually add the dry ingredients to the butter mixture, alternating with the buttermilk. Start and end with the flour mix.
  6. In a small bowl, toss the blueberries with the remaining ¼ cup of flour.
  7. Gently fold the floured blueberries into the batter. Do not overmix.
  8. Spread the batter evenly into the prepared pan and sprinkle a little sugar on top.
  9. Bake for 35–45 minutes, or until a toothpick comes out clean. Let cool before slicing.

Notes

No buttermilk? Mix ½ cup milk with 1½ tsp lemon juice or vinegar. Let sit 5 mins. Using frozen berries? Don’t thaw. Want muffins? Scoop into tins and bake 20–25 mins.
Buttermilk Blueberry Breakfast slice of Cake

  • Author: Hanna
  • Prep Time: 15 minutes
  • Cook Time: 40 minutes
  • Category: Breakfast
  • Method: Baking
  • Cuisine: American
  • Diet: Vegetarian

Nutrition

  • Serving Size: 1 slice
  • Calories: 210
  • Sugar: 18g
  • Sodium: 160mg
  • Fat: 8g
  • Saturated Fat: 5g
  • Unsaturated Fat: 3g
  • Trans Fat: 0g
  • Carbohydrates: 32g
  • Fiber: 1g
  • Protein: 3g
  • Cholesterol: 35mg

Keywords: buttermilk, blueberry, breakfast cake, easy bake, brunch