We're taking dessert into outer space with this super simple technique.
round galaxy cake
Credit: Steven Karl Metzer

Swirled with bright, bold colors, this cake is totally cosmic. It's our easy-to-make take on the colorful galaxy donut trend. The good news is there's no piping needed for an out-of-this-world cake made right at home. For the cake, make one Double Chocolate Pound Cake but bake the pound cake in a 9-inch round pan rather than the traditional loaf pan.

I used pound cake for this project because it is a denser cake which makes it less susceptible to breaking when it is flipped and handled to create the galaxy icing effect. Plus, pound cake is always delicious with a simple glaze icing.

You will also need the following:
3 cups powdered sugar
1/3 cup milk
Green, blue, orange, and purple food coloring
Silver sprinkles and silver pearl dust (optional)
Wooden skewer

1. Bake the Double Chocolate Pound Cake following recipe instructions but using a 9-inch round pan instead of a loaf pan. Remove cake from pan and let cool completely on a wire rack. Wash and dry your cake pan. (You will use the same pan you baked your cake in to create the galaxy swirl effect.)

galaxy cake how-to with colored icing bowls
Credit: Steven Karl Metzer

2. To make the icing, combine powdered sugar and milk in a medium bowl. Beat until smooth using an electric mixer. The consistency of the icing is key for the success of this cake; it should have the consistency of white school glue. If the icing seems too thick, add more milk, one teaspoon at a time, mixing after each addition to test the consistency. If icing seems too thin, add more powdered sugar, one tablespoon at a time, mixing after each addition until the right constancy is reached. Divide prepared icing into five separate bowls. Leave one bowl white and use food coloring to dye the other bowls of icing green, blue, orange, and purple.

galaxy cake how-to dolloping colored frosting
Credit: Steven Karl Metzer

3. Place large spoonfuls of the different colors next to each other, all over the bottom of the cake pan until bottom of pan is fully covered.

galaxy cake swirling frosting with toothpick
Credit: Steven Karl Metzer

4. Use the flat side of a wooden skewer to swirl colors together slightly.

5. Place the cake in the pan with top of cake in bottom of cake pan.

galaxy cake how-to with colored icing bowls hand on cake pan
Credit: Steven Karl Metzer

6. Turn cake clockwise 360 degrees in the pan so colors swirl on top of cake. Place a plate on top of the pan and flip the cake over. Wait 1 to 2 minutes before lifting the pan off as icing moves slowly. If you pull the cake out too quickly, it may not be fully covered. If part of the cake isn't covered with icing, add a little extra icing to the bare spots and use a skewer to swirl it into the other icing.

galaxy cake how-to sprinkles and sugar stars
Credit: Steven Karl Metzer

7. Sprinkle with silver sprinkles and pearl dust if desired. Let the cake set for about an hour until the icing hardens before serving.


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