Creating a surprise-inside cake can be an easy experience and is always a fun one. This Santa’s Belt Surprise-Inside Cake is sure to delight all who see it!

Santa's Belt Surprise-Inside® Cake!

There are a lot of instructions for a surprise-inside cake so let’s jump right on. (I have also made a video below)

I used box mix to save myself some steps. Feel free to use your favorite from-scratch recipes. Here is my favorite for Red Velvet Cake as well as Chocolate Cake.

2 boxes red velvet cake mix

1 box chocolate cake

1 recipe of buttercream

1 recipe of whipped buttercream

red food coloring

3-inch round cookie cutter (can also use a kitchen cup as a guideline)

3 1/2-inch round cookie cutter (can also use a kitchen cup as a guideline)

sharp paring knife

small & large offset spatula

piping bags

large open round decorating tip (like a 2D or 1M)

open round tip, like a #10 or #12

rotating cake stand

Santa's Belt Surprise-Inside® Cake!

Start by baking your cakes. I made all my cakes in 8-inch round cake pans. In total, I had 4 red velvet layers and 2 chocolate layers. For this cake, we only need THREE red velvet layers and ONE chocolate layer. (Wrap the extra layers in plastic wrap and freeze until you need them.)

Chill layers of cake until ready to begin. You will want to work with cold cake, but not totally frozen.

Prepare 1 full buttercream recipe (The first link above. This recipe makes about 5 cups of frosting and you will all of this for in between layers as well as the exterior of the cake.) and tint red. I added extra liquid to my frosting as I wanted it to be very easily spreadable. I used two 1-ounce bottles of McCormick red food coloring. (Remember that color often darkens the longer it sits out.)

Prepare the recipe of whipped buttercream. Remove 1 cup of frosting and tint grey. (I added 2 drops of McCormick black food coloring.) Remaining buttercream can stay white as this is the frosting you will use on the exterior of the cake.

When you are ready to start, place chocolate cake on a flat surface. Press the 3-in. cookie cutter into the center of the cake. (If you are using a kitchen glass as a guide; place the cup against the cake to make an indentation in the cake. Using a sharp paring knife, insert the knife at a completely vertical angle and cut around the circle. Make sure you are cutting all the way through the cake.) Press all the way through and then carefully remove the center piece. Set aside as you will be using it again. (This is best done when cake is chilled!)

Now carefully place the chocolate cake layer ON TOP OF a layer of red velvet cake. Using the 3 1/2 inch cookie cutter, press through to chocolate cake and just barely into the red velvet cake.

Discard cake “ring”.

Pick up chocolate cake and repeat on another layer of red velvet cake. The point in doing this is that you will have a guideline on the 2 layers of red velvet cake.

Now take a sharp paring knife and remove a layer of the cake from the center of the red velvet cake. Use your line made by the cookie cutter as a guide. (see video for more detail) Scrape out excess cake and discard.

Place one layer of red velvet cake on parchment paper/cardboard and then on rotating cake stand. The side with the cake removed should be facing up. Place grey frosting in pastry bag fitted with an open round tip. Fill in the cut-out section of cake with grey frosting. Carefully spread red buttercream around edges. (I did this in opposite order in the video)

Place the chocolate layer of cake direction on top of red velvet layer. Place the circle of cake you initially removed from the chocolate cake BACK into the center. There will be a gap between the center piece and the chocolate cake, and this is good. Fill in the gap between the chocolate cakes with grey frosting. Pile it a little bit higher in the center. Carefully spread red buttercream around the edges.

Now invert the other layer of red velvet cake that you have removed cake from. Cover in a thin layer of red buttercream.

Crumb Coat of red buttercream

Place final layer of red velvet cake on top and cover cake in a crumb coat of red buttercream. Chill cake for at least 1 hour or up to overnight.

Place a thicker layer of red buttercream on cake. Using large offset spatula start at the bottom and move spatula around cake. This works best when you can keep the hand with the spatula still while rotating cake with your other hand. Remove excess frosting as needed. Level off top of cake.

Place white frosting in bag with an open star tip.

Cake on Rotating Cake Stand

*If you are moving the cake to a cake stand, do that now. (works best if cake is chilled) I moved my cake AFTER completing the bottom row and had to re-do it. 🙂

Pipe out “ruffles” at the base of the cake. Now pipe out a dollop of frosting on top of the cake in the center.

Chill until ready to serve. (because red buttercream bleeds so easy) You will want to serve this cake cold to get the best visual effects. When I removed the piece in the video my cake was room-temperature and the colors bled a little.

Santa's Belt Surprise-Inside® Cake!

I assembled this cake in one day. It actually did not take long at all! The most time is spent chilling.

I hope all of the directions make sense once you have seen the video! If not please do let me know if you have any questions.

Santa's Belt Surprise-Inside® Cake!

Merry Christmas and Ho, Ho, Ho, and I hope you enjoy my Santa’s Belt Surprise-Inside Cake!

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Meet Amanda Rettke

Amanda Rettke is the creator of I Am Baker, and the bestselling author of Surprise Inside Cakes: Amazing Cakes for Every Occasion – With a Little Something Extra Inside.Over the course of her 15+ year blogging adventure, she has been featured in and collaborated with the Food Network, New York Times, LA Times, Country Living Magazine, People Magazine, Epicurious, Brides, Romantic Homes, life:beautiful, Publishers Weekly, The Daily Mail, Star Tribune, The Globe and Mail, DailyCandy, YumSugar, The Knot, The Kitchn, and Parade, to name a few.

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