Erupting Volcano Cake

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Description

Chocolate volcano cake with hard candy lava and erupting marshmallow fluff®. You can do almost anything to decorate this cake. Be creative according to your time and energy!

Ingredients

  • 1 (18.25 ounce) package dark chocolate cake mix (such as Betty Crocker® Super Moist®)
  • 1 ⅓ cups water
  • 3 eggs
  • ½ cup butter, melted
  • 1 (18.25 ounce) package dark chocolate cake mix (such as Betty Crocker® Super Moist®)
  • 1 ⅓ cups water
  • 3 eggs
  • ½ cup butter, melted
  • 4 cups confectioners’ sugar
  • 1 ¼ cups unsweetened cocoa powder
  • 1 cup butter, softened
  • ½ teaspoon vanilla extract
  • ⅔ cup heavy whipping cream
  • 1 cup white sugar
  • ½ cup light corn syrup
  • ¼ cup warm water
  • red food coloring
  • 1 drop cinnamon flavoring (Optional)
  • ¼ (13 ounce) jar marshmallow cream (such as Marshmallow Fluff®)
  • ½ cup water, divided
  • 1 drop red food coloring
  • 1 drop yellow food coloring
  • dry ice
  • 1 tall glass or mason jar

Instructions

  1. Preheat oven to 350 degrees F (175 degrees C). Grease 1 angel food cake pan for the base cake layer and 1 fluted tube pan (such as Bundt®) for the top cake layer.
  2. Combine 1 cake mix
  3. 1 1/3 cup water
  4. 3 eggs
  5. and 1/2 cup melted butter in a large bowl to make base cake layer. Beat with an electric mixer on low speed
  6. about 30 seconds. Increase speed to medium and continue to beat
  7. scraping bowl occasionally
  8. until batter is smooth
  9. about 2 minutes. Pour into prepared angel food cake pan.
  10. Combine 1 cake mix
  11. 1 1/3 cup water
  12. 3 eggs
  13. and 1/2 cup melted butter in a large bowl to make top cake layer. Beat with an electric mixer on low speed
  14. about 30 seconds. Increase speed to medium and continue to beat
  15. scraping bowl occasionally
  16. until batter is smooth
  17. about 2 minutes. Pour into prepared fluted tube pan.
  18. Bake cakes in the preheated oven until toothpicks inserted into the centers come out clean
  19. 40 to 45 minutes. Cool in pans
  20. about 5 minutes. Invert onto wire racks.
  21. Sift confectioners’ sugar and cocoa powder together in a large bowl.
  22. Combine 1 cup softened butter and vanilla extract together in another large bowl; beat with an electric mixer on low speed until creamy. Gradually beat in sifted sugar mixture until well-blended. Add heavy cream; beat until frosting is well-blended and spreading consistency.
  23. Place base cake layer on a large serving platter. Spread a thin layer of frosting on top. Position top cake layer over the base so that holes are aligned. Trim hole at the center of the cakes with a knife so that it is large enough to fit a tall glass or mason jar. Cut off the top with a serrated knife to create a volcano “rim”.
  24. Spread frosting all over stacked cake. Arrange cake trimmings as “lava rocks” around the base. Refrigerate until frosting sets.
  25. Line a baking sheet with aluminum foil.
  26. Combine white sugar
  27. light corn syrup
  28. and 1/4 cup water in a small saucepan. Bring to a boil; cook until syrup reaches 310 degrees F (155 degrees C) or until a small amount of syrup dropped into cold water forms hard
  29. brittle threads. Remove from heat and stir in 2 drops red food coloring and cinnamon flavoring.
  30. Pour streams of red syrup carefully onto the lined baking sheet to create candy “lava”. Cool until set
  31. about 5 minutes. Peel off the baking sheet and place around the sides and top of the frosted cake.
  32. Place marshmallow cream
  33. 1/4 cup water
  34. 1 drop red food coloring
  35. and yellow food coloring in a small saucepan over low heat; cook and stir until marshmallow lava is melted and even in color
  36. 3 to 5 minutes.
  37. Place glass or mason jar inside the frosted cake. Add a small amount of dry ice
  38. marshmallow lava
  39. and remaining 1/4 cup water. Dry ice will create a “smoke” effect and cause marshmallow lava to bubble over cake rim.

Prep Time: 50 mins

Cook Time: 48 mins

Total Time: 1 hr 48 mins

Servings: 20

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