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Crystal Candy Geode Cake

A stunning Crystal Candy Geode Cake featuring a realistic geode design made from rock candy crystals, perfect for special occasions or celebrations.

Ingredients

Scale
  • 1 box cake mix (or homemade cake batter for 3 layers)
  • 1 cup butter (for buttercream)
  • 4 cups powdered sugar
  • 23 tbsp milk
  • 1 tsp vanilla extract
  • Gel food coloring (various colors for geode effect)
  • Rock candy (clear or white, and colored)
  • Edible gold leaf or gold food paint
  • Fondant (white, to cover the cake)

Instructions

  1. Bake three layers of cake using your preferred cake mix or homemade batter. Let them cool completely.
  2. Make buttercream by beating butter until fluffy, then gradually adding powdered sugar, milk, and vanilla extract.
  3. Stack and fill the cake layers with buttercream. Apply a thin crumb coat and chill.
  4. Cover the cake with a thicker layer of buttercream and chill again until firm.
  5. Roll out fondant and cover the cake smoothly. Trim excess.
  6. Use a knife to carve out a section of the cake to form the ‘geode’ cavity.
  7. Apply a thin layer of buttercream inside the carved area to help crystals stick.
  8. Arrange rock candy starting from darker shades in the center to lighter shades on the outside for a realistic geode look.
  9. Use edible gold leaf or gold paint to outline the geode edges for an enhanced effect.
  10. Finish decorating the rest of the cake as desired and refrigerate until ready to serve.

Notes

  • You can use store-bought or homemade rock candy for the geode crystals.
  • Experiment with color gradients to make the geode more realistic.
  • Gold leaf adds a luxurious touch but is optional.
  • Make sure the cake is well-chilled before carving to prevent breakage.

Nutrition

Keywords: Geode cake, crystal cake, rock candy cake, birthday cake, showstopper cake