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How To Make A Chocolate Geode
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5 from 1 vote

How To Make A Chocolate Geode

How to make a chocolate geode? Rock candy geode, geode candy, candy geodes are becoming more popular in baking. It is for cakes. In addition to that, it can be for cupcakes and even cookies. Easter Chocolate geode is also becoming a trend. But what are geodes? Geodes are small cavities in rocks with crystals or mineral matters. They form inside the holes where there are hollow spaces of soil. When liquid minerals enter the cavities, they evaporate. In addition to that, they form a hardened exterior shell called geodes. They are beautiful to look at; that is why it is no wonder they are perfect for cakes and pastries. 
Prep Time1 d
Total Time1 d
Course: Dessert
Cuisine: American
Keyword: candy geodes, geode candy, how to make a chocolate geode, rock candy geode
Servings: 1
Author: Cakedecorist


  • Giant egg mold
  • Serrated knife
  • Rubber Mallet
  • Tin Foil
  • Parchment paper
  • Cutting board
  • Large saucepan or large pot
  • Rolling Pin
  • Parchment paper


  • Five bags of chocolate morsels
  • 4 cups of sugar
  • 2 cups of water
  • 5-6 drops of blue food coloring
  • 1 tbsp of mint extract
  • One container of white fondant


  • Before anything else, pour your sugar and water into a large saucepan. Afterward, bring sugar and water to a boil. Be sure to stir constantly. Also, when your syrup is boiling, lower the heat. Then, add the food coloring and mint extract.
    4 cups of sugar, 2 cups of water, 5-6 drops of blue food coloring, 1 tbsp of mint extract
  • After that, roll your fondant into a 0.3 cm thick. Then, make sure to roll it out on parchment paper to minimize sticking. Afterward, cut it into a circular shape with the same size as your egg mold's interior. Also, be sure to grease your egg molds using a non-stick cooking spray. Next, set them aside.
    One container of white fondant
  • Then, melt one bag of your chocolate morsels. And be sure to fill your egg molds. Also, place your cut fondant inside the molds, pressing it inwards then outwards. Afterward, pour your syrup about 3/4 inch high inside your egg molds. After that, cover your egg mold with tin foil. And do not forget to allow it to rest overnight. Likewise, you can let it rest even longer if desired. In addition to that, you can keep the remaining sugar syrup. And set it aside for later.
    Five bags of chocolate morsels
  • Next, you will begin to notice that crystals will form after a few days. Also, pour the excess syrup from your egg mold. Then, remove your edible geode from the egg mold.
  • Afterward, you may trim and cut off extra chocolate and fondant from your edible geode to attach both sides. Also, you can melt another bag of chocolate. Then, spread the chocolate on one side of your geode to connect both. In addition, pour more syrup on one side before attaching both sides. Also, coat your attached geode with more chocolate.
  • Then, when your chocolate geode seals, rotate it every other day for about 3 to 6 months. Also, add more chocolate layers if you see leakage.
  • Finally, when opening your geode, be cautious as it is hard as the real geode crystals.
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