How To Make Rocks from Sugar

James Rosselle, instructor of the online Craftsy class, Exotic Sugar Orchids, is here with a free video tip for all you cake designer and decorators looking to learn how to make sugar paste flowers. Here he shares his very simple technique for making realistic rocks and stones. Perfect for any nature-inspired cakes, these rocks (as you will see) can even be personalized—a great touch for a friend or family member’s celebration!

Video transcript:

Hi, I’m James Rosselle, instructor of Exotic Sugar Orchids at I’m going to show you how to make some rocks out of sugar paste.

What I have in front of me is a pre-rolled log of black sugar paste and white sugar paste. You can also make these out of fondant if you like. What I am going to do is marbelize the sugar paste. So I’m going to press the smaller, white log of sugar paste into the black log. Then I’m going to roll the log on to my work surface, and I’m just going to twist. Just twist to make it look like a candy cane. Once I’ve twisted that, I’m just going to roll my log into itself, like so. I’m going to press that, and I’m just going to re-roll it. If you have trouble with your sugar paste sticking on your table, just do a little bit of shortening. Dip your finger into the shortening, put some shortening on to your table top, and that should cure your sugar paste from sticking to the table top. Once I have a nice marbling effect, then I can get into actually making the rocks.

I’m going to take my little small mini pizza cutter, and just cut segments. Size doesn’t matter. You can cut them as large or as small as you like. Once you’ve cut them, pick them up, put them in the palm of your hand, and just roll. You want to roll the sugar paste in the palm of your hand to get a seamless ball. Now what I like to do is turn the piece of sugar paste in my hand and see what marbelized area looks best. So I’m going to press down, and just with the warmth of my hand, I get a nice glossy effect. So that’s one. Put that down on a piece of foam and let that dry overnight.

Again, roll that sugar paste in the palm of your hand, just like that. Pick what marbelized side you like best, press that in the palm of your hand, rub it, place it down, and allow it to dry. Now all of your rocks don’t have to be round. You can actually make them elongated just like this. Rocks are all shapes and sizes. What I like to do is run my finger over the top of it just to smooth it out, just like that. And you can see, I have some here already dried for me. I have some large ones, some small ones, some medium ones. You can also see I have a large one right here in front of me that I have actually embossed. You can do this, it personalizes your rocks. What I did was use some letters, and just embossed the word “Bluprint” on it. And now you have a nice personalized treat for a birthday cake, a wedding cake.

To get that glossy look, what I use is an edible lacquer. You want to spray that edible lacquer over your rocks. Before you spray, shake the can. Put that lacquer on to your rock. Just give it one good spritz. If you want, you can tap, lift your rocks up, let them air dry, I’d say, for about 15 to 20 minutes. Now you have a perfect rock made out of sugar paste. It’s a great accent for a birthday cake, for any Asian-inspired cakes; it’s great for orchids, especially Cattleya, Cymbidium, or Dendrobium orchids. Or, like I said, any Asian-inspired cake.

I’m James Rosselle. If you’d like to learn more on sugar paste, come take my class Exotic Sugar Orchids at Hope to see you there!

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