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Coolest 40th Birthday Bugs Bunny Cake 2

by Tonya S.
(Toledo, Ohio)

Homemade 40th Birthday Bugs Bunny Cake

Homemade 40th Birthday Bugs Bunny Cake

Homemade 40th Birthday Bugs Bunny Cake
Homemade 40th Birthday Bugs Bunny Cake
Homemade 40th Birthday Bugs Bunny Cake
Homemade 40th Birthday Bugs Bunny Cake

This Homemade 40th Birthday Bugs Bunny Cake was for a party. The cake served 100 people by using a double-tiered, 16x16 pan. It is carrot cake with cream cheese filling, buttercream frosting, chocolate and fondant decorations.

Bugs is made from formed Rice Krispy Treats and covered with two layers of fondant. I tried using chocolate to smooth the RKT bumps, but the fondant would not stick, so it worked out better to double layer the fondant and smooth and shape his body and head with greased hands. I used marshmallow fondant for Bugs. Here’s the recipe I use:

16 oz bag of JetPuffed marshmallows
5 cups of sifted powdered sugar
2 Tablespoons of water
½ cup of Crisco shortening or spay

Be sure to follow the steps in this order or you’ll find yourself sifting powdered sugar as your marshmallows are hardening again.

4-5 cups of SIFTED powdered sugar in a separate bowl. (If you do not sift the powdered sugar, you will create clumps in the fondant and it will not work. If you do not have a sifter, use a colander.)

A 16 oz bag of Jet Puffed mini marshmallows placed in a wide, microwave safe bowl with 2 tablespoons of water. Microwave on high for 30 seconds, stir, microwave 30 seconds, stir, microwave, stir, until completely melted smooth.

Scoop a few cups of powdered sugar onto the melted marshmallows in the wide bowl. Stir with a large spoon until it is too hard to stir with the spoon only. Add a few more cups and kneed the mixture with lightly greased hands. Continue adding powdered sugar until the mixture forms a solid ball.


Use a wide microwave safe bowl rather than a tall one so you can knead the fondant in the bowl instead of having to dump it on your counter and making a huge mess.

To keep the fondant from sticking to your hands, you can use Crisco or powdered sugar on your hands. Crisco works best. This gets very sticky! I wear non-powdered latex gloves and lightly grease the gloves, too. It’s a personal preference, I just don’t like sugar up under my fingernails!

This cake took over 30 hours to make, so start very early. The first thing I did was form the carrots. I used the fondant and a fondant wheel tool to make the marks in the sides. I then laid the carrots on a cookie sheet to dry over the week.

Next, I made Bugs out of RKT and covered him with fondant. I formed the ears and inserted long skewers into them to keep them tall. The body and head are held together with a long skewer as well. I wanted to be sure he actually looked like Bugs Bunny, so I printed a coloring page picture that I had blown up to the size I needed and used that as a guide for cutting the pieces and making the parts of his face.

I used a basic buttercream frosting and a grass tip to completely cover the cake. For the hole Bugs is coming out of, I used chocolate melts. After melting them in a plastic bowl (a glass bowl will not release the chocolate), I used a plastic spatula to spread the chocolate all over the inside of the bowl and let it harden in the fridge for a while. I repeated this, but made sure the bottom was very thick in order to hold the weight of Bugs.

I then cut a hole in the cake using the same bowl I used to form the hole with chocolate, to be sure they were the same size. I put the piece with the thick bottom at the base, and broke out the bottom of the top piece. Using extra melted chocolate, I glued Bugs inside of the hole and added a piece of grey fondant behind him to keep him in place.

I finished the cake off by making a chocolate “What’s Up Doc?” sign with melted chocolate and a cut skewer that was inserted at the party later.

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