If you lot've been on Pinterest at any signal over the last several months, you've probably seen—and marveled at—a motion-picture show of a geode block. These out-of-this-globe creations make cake decorating educational and make didactics fun. And they look astonishing while they're at it!

Whether for a themed altogether party or just for a challenge, our guide to making rock candy cakes will walk yous through everything yous need to know about this delectable candy-themed trend.

A blue geode crystal candy.

What is a Rock Candy Geode Cake?

Kickoff, it helps to know what geode is! A geode is a small rock cavity that is lined with layers of brilliant and sometimes colorful crystallized minerals.

Incorporating the sparkling wait of a geode into sugary-sweet baked appurtenances has become a huge trend this twelvemonth, with the aid of another nature-inspired favorite: stone candy. The glitzy, crystalline texture and bright colors of rocky candy transform a cake into a beautiful (and delicious!) space gem. This is a cake decorating skill that you can acquire to wow all of your friends and family members.

Luckily, learning how to make rock candy geode cakes is much simpler than it may seem. And if you desire to get really creative, try making your rock candy from scratch – information technology can even turn blistering into a fun scientific discipline experiment with the kids.

What You'll Need

Apprentice bakers, don't sweat – near of the ingredients tin exist bought pre-made, like the fondant and rock candies. Of form, if y'all want to flex your skills with some homemade ingredients, exist our guest! Here'due south what you'll need to make your very own rock candy cake:

  • Two cakes: If you desire to create a 2-tiered geode block, you will need two cakes in slightly different sizes. First with an 8-inch circular cake on the bottom and a 6-inch round block on superlative.
  • Clear pipage gel
  • Fondant
  • Buttercream frosting
  • Rock candy: This recipe works best if you accept dissimilar shades of the same color. For instance, yous could use dark blue, medium blue, and lite blue rock candies. Regardless of which colour y'all cull, you should always have white stone candy pieces besides.
  • Edible gold leaf
  • Small paintbrush
  • Makeup brush
Two hands pressing down on light-colored fondant.

How to Make Your Rock Candy Geode Cake

  1. Comprehend both of the cakes with fondant in a colour of your pick. If you're new to fondant, there are enough of how-to guides to get you feeling comfortable!
  2. Place sharpened dowel rods into the larger of the two cakes for support. The rods should be cut then they are the exact height of the block. It'southward all-time to use three rods and place them in a triangle.
  3. In one case the three dowel rods have been placed inside the larger cake, place the smaller cake on top.
  4. Use an edible pen to draw the shape of the geode, which should be something like a pointed oval, on your cakes.
  5. Using a knife, begin to cleave out the cake within the geode shape to create a deep cavity.
  6. Encompass the cake that is exposed within the geode cavity with buttercream frosting.
  7. Apply piping gel down the heart of the geode cavity, and and so identify the darkest color of rock candy pieces on top of the pipage gel. The rock candies should non be placed in a perfect direct line. In fact, it looks more natural if they have jagged edges.
  8. Apply piping gel to the areas surrounding the night-colored stone candy pieces, and utilize the second darkest shade of rock candy to this area.
  9. Apply pipage gel around the second darkest shade of rock candy, and begin to utilise the lightest shade of rock candy to this area.
  10. Apply piping gel around the outermost border of the geode crenel and place white rock candy pieces on top of the gel. The unabridged crenel should now be covered in rock candy pieces.
  11. Dampen a small paintbrush and brush it on the fondant along the perimeter of the geode crenel.
  12. Grab a thin strip of gold leaf using tweezers and carefully place information technology on the expanse you simply moistened with your paintbrush. You will demand to employ the gold leafage in small pieces so information technology is easier to manage.
  13. Accept a large makeup castor (one that is used to use blush) and dab it on top of the golden leafage to push it in place.
  14. Subsequently y'all have covered the unabridged perimeter of the geode cavity with golden leaf, see if there is any space betwixt the gilded foliage and the offset layer of rock candies. If there is, yous tin apply boosted white stone candies to fill the space.
  15. If y'all have leftover stone processed, experience complimentary to add a border of rock candies between the two layers of cake using piping gel as an agglutinative.

And, voila—you finally know how to make rock candy geode cakes like the ones yous've been eyeing on Pinterest. Recall, this recipe should exist used equally a basic guide. If you feel comfortable, feel costless to be creative and add additional finishing touches to your masterpiece!

Get Inspired with Candy Club

Can't become enough candy-themed cake decorating ideas? Check out our other posts on using candy in desserts, or but get inspired with the delectable selections of our candy boxes. Nosotros can't await to sweeten your day, or assist you lot sweeten someone else's!