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Watermelon Cupcakes Recipe

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These Watermelon Cupcakes are light, fruity, and fun—perfect for summer gatherings. With a moist cupcake base and creamy watermelon-flavored frosting, they’re a refreshing dessert both kids and adults will love.

  • Author: Ella
  • Prep Time: 15 minutes
  • Cook Time: 20 minutes
  • Total Time: 45 minutes
  • Yield: 12 cupcakes
  • Category: Dessert
  • Method: Baking
  • Cuisine: American
  • Diet: Vegetarian

Ingredients

  • 1 1/2 cups all-purpose flour
  • 1 1/2 teaspoons baking powder
  • 1/4 teaspoon salt
  • 1/2 cup unsalted butter, softened
  • 1 cup granulated sugar
  • 2 large eggs
  • 1/4 cup watermelon juice (fresh or store-bought)
  • 1 teaspoon vanilla extract
  • 1/2 cup milk

For the Watermelon Frosting:

  • 1/2 cup unsalted butter, softened
  • 2 cups powdered sugar
  • 2 tablespoons watermelon juice
  • 1/2 teaspoon vanilla extract
  • Pink food coloring (optional)

Instructions

  1. Preheat oven to 350°F (175°C) and line a 12-cup muffin tin with cupcake liners.
  2. In a medium bowl, whisk together flour, baking powder, and salt. Set aside.
  3. In a large bowl, cream butter and sugar until light and fluffy.
  4. Add eggs one at a time, mixing well after each. Stir in watermelon juice and vanilla extract.
  5. Alternately add dry ingredients and milk to the wet mixture, beginning and ending with the dry, mixing until just combined.
  6. Divide batter evenly among cupcake liners, filling each about 2/3 full.
  7. Bake for 18–20 minutes, or until a toothpick inserted in the center comes out clean. Let cool completely.
  8. For the frosting: Beat softened butter and powdered sugar until smooth. Add watermelon juice and vanilla; beat until creamy and fluffy. Add food coloring if desired.
  9. Frost cooled cupcakes generously and serve.

Notes

  • Add mini chocolate chips or watermelon chunks to batter for extra texture.
  • Use watermelon extract for a stronger flavor if desired.
  • Frost cupcakes just before serving for best appearance and freshness.
  • Blend and strain fresh watermelon if juice isn’t available.
  • Store in an airtight container at room temp (3 days) or fridge (5 days); not freezer-friendly.

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