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Decadent Dark Chocolate Mint Layer Cake Recipe

Dark Chocolate and Mint Layer Cake

Sara Coleman
A decadent, moist dark chocolate cake layered with silky peppermint buttercream and finished with a rich ganache drip. This striking dessert balances deep cocoa notes with a refreshing mint finish, perfect for celebrations.
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Prep Time 45 minutes
Cook Time 35 minutes
Total Time 1 hour 20 minutes
Servings 8 servings
Calories 645 kcal

Ingredients
  

Ingredients

  • 2 cups all-purpose flour sifted
  • 0.75 cup dark cocoa powder Dutch-processed for deep color
  • 2 cups granulated sugar
  • 1.5 tsp baking powder
  • 1.5 tsp baking soda
  • 1 cup whole milk room temperature
  • 0.5 cup vegetable oil
  • 2 large eggs room temperature
  • 1 cup boiling water to bloom the cocoa
  • 1.5 cups unsalted butter softened for frosting
  • 4 cups powdered sugar sifted
  • 2 tsp peppermint extract adjust to taste

Notes

For the best flavor, use high-quality Dutch-process cocoa. Store the cake in an airtight container at room temperature for up to 3 days or refrigerate for up to 5 days. If refrigerating, let the cake sit at room temperature for 30 minutes before serving to soften the buttercream.