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85% would make again

Geode Cake

by Claire Nolan, Jody Duits and Hannah Williams • featured in 5 Galaxy Dessert Recipes

Ingredients

for 24 servings

  • 1 white cake, or cake of your choice
  • 5 lb fondant (2 ¼ kg)
  • 4 cups buttercream frosting (460 g)
  • white rum, or vodka
  • 1 tablespoon black food coloring
  • piping gel
  • rock candy, ranging from white to dark teal/blue, or colors of your preference

Nutrition Info

Shop ingredients with
    Calories 503
    Fat 12g
    Carbs 99g
    Fiber 0g
    Sugar 97g
    Protein 0g

Estimated values based on one serving size.

Preparation

  1. Cover cake in smooth layers of fondant.
  2. Cut the geode shape out of the side of the cake.
  3. Spread buttercream frosting all along the inside of the cut.
  4. Mix alcohol with food coloring until it reaches the desired shade of gray.
  5. Paint a thin dark line around the edge of the cut.
  6. Apply a row of piping gel in the center of the cut.
  7. Press rock candy into the piping gel, starting with the darkest shade.
  8. Continue laying out rows of piping gel and pressing in the rock candy, applying lighter colors and smaller pieces as you move farther out toward the edge of the cut.
  9. Enjoy!