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Peach Upside Down Mini Cakes (Cupcakes)

Peach upside down mini cakes bake into tender vanilla butter cupcakes with a caramelized peach crown on top. Flip immediately after a short cool so the amber caramel releases cleanly for a glossy, jammy finish.
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Prep Time 20 minutes
Cook Time 25 minutes
Total Time 45 minutes
Servings: 12 servings
Course: Dessert
Cuisine: American
Calories: 220
Ingredients Equipment Method Notes

Ingredients
  

Peaches
  • 2 fresh peaches thinly sliced
Caramel base
  • 0.25 cup butter melted
  • 0.5 cup brown sugar
Cake batter
  • 1 cup flour
  • 0.75 cup sugar
  • 0.5 cup butter softened
  • 2 eggs
  • 0.5 cup sour cream
  • 1 tsp vanilla
  • 1 tsp baking powder
  • 0.25 tsp salt

Equipment

  • 1 sheet pan

Method
 

Prep and caramel cups
  1. Preheat oven to 350F and grease a muffin tin so the cakes release easily after baking.
  2. Mix melted butter and brown sugar, then spoon 1-2 teaspoons into each muffin cup to form the caramel base.
  3. Layer peach slices over the caramel base to create a peach crown on each mini cake.
Make batter and bake
  1. Beat softened butter and sugar until combined, then add eggs and vanilla and mix until smooth.
  2. Add sour cream, flour, baking powder, and salt, then mix just until the batter comes together without overmixing.
  3. Divide batter over the peaches so each cup is evenly filled and the fruit is topped.
  4. Bake at 350F for 22-25 minutes, until the tops spring back and a toothpick shows moist crumbs.
Invert immediately
  1. Cool the cakes for 5 minutes so they set enough to unmold.
  2. Invert immediately onto a plate to release the caramelized peach topping while it is still warm and fluid.

Notes

Pro tip: invert while warm so the caramelized peach topping does not stick to the pan. Store in the refrigerator up to 3 days in an airtight container. Freezing: yes, freeze cupcakes (un-inverted) up to 2 months, then thaw and invert again if needed. For a lighter option, swap half the butter in the batter for plain Greek yogurt (use the same total quantity) for a slightly tangier crumb.