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Spooky Swirl Halloween Bundt Cake

Moist chocolate and vanilla marbled bundt cake, perfect for Halloween parties and festive celebrations. Easy to make and visually impressive.
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Prep Time 20 minutes
Cook Time 50 minutes
Total Time 1 minute
Servings: 12 slices
Course: Cake, Dessert
Cuisine: American, Halloween
Calories: 310
Ingredients Equipment Method Notes

Ingredients
  

Bundt Cake
  • 2½ cups all-purpose flour
  • 2 tsp baking powder
  • ½ tsp baking soda
  • ½ tsp salt
  • ¾ cup unsalted butter softened
  • 1½ cups granulated sugar
  • 4 eggs large
  • 1 tsp vanilla extract
  • 1 cup buttermilk
  • ½ cup unsweetened cocoa powder
  • ¼ cup milk
Optional Glaze
  • 1 cup powdered sugar
  • 2–3 tbsp milk
  • ½ tsp vanilla extract
  • Orange or black food coloring optional

Equipment

  • Mixing bowls
  • Bundt pan (10-inch)
  • Wire rack
  • Spatula
  • Measuring cups and spoons

Method
 

  1. Preheat oven to 350°F (175°C). Grease and flour a 10-inch bundt pan thoroughly.
  2. In a medium bowl, whisk together flour, baking powder, baking soda, and salt.
  3. In a large bowl, beat softened butter and sugar until light and fluffy. Add eggs one at a time, then stir in vanilla.
  4. Alternate adding dry ingredients and buttermilk to the butter mixture, beginning and ending with dry ingredients. Mix until smooth.
  5. In a small bowl, combine cocoa powder with milk to make a smooth chocolate paste.
  6. Divide batter into two bowls. Add chocolate paste to one portion; keep the other as vanilla.
  7. Spoon batters alternately into the bundt pan. Use a skewer to gently swirl for a marbled effect.
  8. Bake 45–55 minutes, or until a toothpick inserted in the center comes out clean. Cool 15 minutes in pan, then invert onto a wire rack.
  9. For glaze, mix powdered sugar, milk, and vanilla until smooth. Add orange or black food coloring if desired and drizzle over cooled cake.
  10. Slice to reveal marbled pattern and serve. Decorate with Halloween candies if desired.

Notes

Mini bundt cakes can also be made for individual servings. Add chocolate ganache for extra festivity.