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Updated on August 14, 2026 by · This post may contain affiliate links ·

Rock Candy Geode Topper

Skill level: Intermediate

Learn how to make this gorgeous geode candy topper from Viki Kane of Just a Little Dessert Company. Viki pretty much started the geode cake trend with this topper design way back in 2014.

When I first saw this topper at Cake Fest 2014 I had to know how it was made! I immediately contacted the amazingly talented Viki Kane and begged her to please make a tutorial. Thankfully she agreed. I have never seen such a cool geode affect created 100% from edible materials. It looks so real.

17:31 Minutes of Instruction

What You Will Learn

  • Preparing your isomalt and cooking to temperature
  • Preparing your surface and tools
  • Pouring your isomalt and creating your geode
  • Assembling your finished geode for presentation

Tutorial Chapters

  1. Going over the supplies 0:32
  2. Cooking the isomalt 3:42
  3. Pouring the design 4:48
  4. Adding the rock candy 6:30
  5. Applying the white sugar 10:10
  6. Attaching the stand 12:34
  7. Painting the gold on 13:28

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About Liz Marek

Liz Marek is a professional cake artist and recipe developer who has been teaching baking and cake decorating since 2008. She founded Artisan Cake Company in Portland, Oregon in 2009 and now runs Sugar Geek Show, where she publishes kitchen-tested recipes, food science explanations, and step-by-step tutorials.

Liz is best known for sculpted and hyperrealistic cakes. She won Netflix's Is It Cake? Holiday 2 in 2025 with a hyperrealistic Santa cake, and has competed on and won Food Network cake competitions. Cake Masters Magazine named her one of the top 10 cake artists in 2017. She is the author of Artisan Cake Company's Visual Guide to Cake Decorating and a graduate of the Oregon Culinary Institute.

Her focus is on explaining not just how a recipe works but why it works, so bakers can troubleshoot instead of guess. Every recipe on this site is tested before it's published.

Liz teaches full-length cake tutorials, including sculpted and hyperrealistic cakes, at Sugar Geek University.