Geode Cake Recipe By Tasty

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MealDrinksCocktailsRumDairyGlutenVodkaCakesSpecial OccasionBakery GoodsIndulgent SweetsPartyBakingDessertsComfort FoodGeode Cakefeatured in 5 Galaxy Dessert Recipes

Surprise the gem in your life with this stunning geode cake. It's the perfect way to dress up store-bought cake!

Claire Nolan, Jody Duits & Hannah WilliamsTasty TeamUpdated on May 04, 202384% would make again
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Total Time

1 hr 30 min

1 hr 30 min

Prep Time

1 hr

1 hr

Cook Time

30 minutes

30 min

Geode Cake
Total Time

1 hr 30 min

1 hr 30 min

Prep Time

1 hr

1 hr

Cook Time

30 minutes

30 min

Ingredients

for 24 servings

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

Preparation

  1. Cover the cake in smooth layers of fondant.
  2. Cut a geode shape out of the side of the cake.
  3. Spread buttercream frosting all along the inside of the cut.
  4. Mix rum with black food coloring until it reaches your desired shade of gray. Paint a thin, dark line around the edge of the cut.
  5. Apply a row of gel icing down the center of the cut.
  6. Press rock candy into the piping gel, starting with the darkest shade Continue piping gel icing around the rock candy and pressing in lighter colors and smaller pieces of rock candy as you move further toward the edge of the cut.
  7. Slice and serve.
  8. Enjoy!
  9. Busy? Plan your meals for the week using our exclusive meal planner tool in the Tasty app. Download now and get organized.

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Geode Cake

Tag » How To Make A Geode Cake