Totally awesome Lego birthday cake

I always hold my breath a little bit when I ask my kids what kind of cake they want for their birthday. I’m afraid they’ll request an ant eater or porcupine. So when my son said he wanted a Lego birthday cake, I was pleasantly surprised. That’s totally do-able.

Now, if you’re not a fondant professional, never fear. Neither am I. This cake is not as hard as you might think. Plus, you can recruit your kids to help a little bit.

Gather Lego Birthday Cake supplies

You don’t need a ton of supplies for this cake. And chances are you already have a lot of them at home. Here’s what you’ll need:

White fondant (24 oz)
Food coloring (any type will do) – yellow, red, green & blue
Two box cake mixes
Frosting (optional)

Make 12 mini cakes

Instead of making two regular 9×13 cakes and trying to carve them into Lego shapes, I just used my mini loaf pans. They are already shaped like standard Lego bricks. Let them cool completely and then carve off the top of each loaf so they are flat.

Go fondant crazy

Alright, this is the fun part. Cut your fondant into five equal pieces for each color of brick that you want. One at a time, put a couple drops of food coloring onto each piece of fondant and knead it like bread dough until it looks like the color you want. Plastic gloves are highly recommended unless you want colorful hands.

Here’s a helpful video on how to add food coloring to fondant.

Then, cut each piece of colored fondant into two pieces. You’ll be making two bricks of each color. Roll out the fondant enough so it covers the brick and cut along the edge. Check out this link on decorating with fondant for beginners.

The main thing is don’t stress out about making it perfect. Your kid doesn’t care. Finally, find a small circular cutter that can be used to cut out the circles on top of each brick and cover those with fondant as well.

Add finishing touches

Once all of your bricks are made, stack them like Legos on a prepared cake platform. I just covered a cutting board with aluminum foil. Don’t go to all of the effort of making all the little circles that go on top before you stack your bricks. You won’t have to make circles for every single brick.

With some of my extra fondant, I made a cute Happy Birthday sign and a banner made out of a skewer, string and colored paper. It added a nice finishing touch.