Tangy and sweet, this Blueberry Peach Upside Down Cake tastes just as good as it looks. Fresh blueberries and perfectly ripe peaches line a cast iron skillet and are then topped with a rich, buttery cake batter for a simple, lovely dessert to serve anytime of day, all summer long.

Blueberry Peach Upside Down Cake

Prep Time: 20 minutes

Cook Time: 45 minutes

Total Time: 1 hour, 5 minutes

Yield: 8-12

Blueberry Peach Upside Down Cake


    For the Topping:
  • 1/4 cup (4 tablespoons) unsalted butter
  • 1/2 cup light brown sugar, packed
  • 2 large ripe peaches, peeled and sliced
  • 1 pint fresh blueberries
  • For the Cake:
  • 1 stick (1/2 cup) unsalted butter, softened
  • 3/4 cup granulated sugar
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • 1 1/2 cups all-purpose flour
  • 1 1/2 teaspoons baking powder
  • 1/2 teaspoon salt
  • 1/2 cup buttermilk


  1. Preheat oven to 350°F.
  2. Melt butter in large cast iron skillet. Remove from heat and sprinkle brown sugar on top, evenly. Allow to cool slightly. Arrange sliced peaches and blueberries on top of butter and brown sugar. Set aside.
  3. In large mixing bowl, cream together butter and granulated sugar until light and fluffy, about 5 minutes. Add eggs, one at a time, mixing well after each addition. Stir in vanilla extract.
  4. In medium bowl, combine flour, baking powder and salt. Add dry ingredients to creamed butter and sugar in three batches, alternating with buttermilk. Make sure to start and end with dry ingredients, mixing just until incorporated after each addition.
  5. Pour batter over the fruit, spreading evenly with rubber spatula. Bake until golden brown and set on top, about 40 to 45 minutes or until a toothpick inserted in middle of the cake comes out clean. Remove from oven and allow to cool down for about 10 minutes in pan. Run a knife along the edge and place a large plate or platter on top. Carefully invert cake. Serve warm or at room temperature. Enjoy!

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6 thoughts on “Blueberry Peach Upside Down Cake

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  1. Ginny said:

    Can you make this another way if you dont have a cast iron skillet?

    • realbutter said:

      Yes, you can make this with any oven-safe pan. If the pan you are using is not safe for stove-top, just pour pre-melted butter into it and start from there!

  2. Ginny said:

    Can you make this with out a cast iron skillet? I don’t own one but would like to make this recipe.

    • realbutter said:

      Hi Ginny – Yes, you can make this with any oven-safe pan. If the pan you are using is not safe for stove-top, just pour pre-melted butter into it and start from there!

  3. Connie Mateo said:

    I love blueberry and peaches, I’d like to give it a try but I cannot use buttermilk, is there a good substitute for buttermilk?

    • realbutter said:

      Hi Connie – There is an easy buttermilk substitute that you probably have all the ingredients for right in your pantry! Use one tablespoon of white vinegar or lemon juice, plus enough milk to measure 1 cup. (We add the tablespoon of vinegar to a 1-cup liquid measure and then top it off with milk.) Stir, then let stand for 5 minutes. Use it just as you would buttermilk in any recipe. Enjoy!