Galaxy Themed Pisces Cake

Name: Galaxy Themed Pisces Cake
Prep time: 30 min
Cook time: 40 min
Total time: 1 h 10 min
Yield: 12 slices
Ingredients: 1 ¾ cups all-purpose flour; 1 ½ cups granulated sugar; ¾ cup unsweetened cocoa powder; 1 ½ tsp baking powder; 1 ½ tsp baking soda; 1 tsp salt; 2 large eggs; 1 cup whole milk; ½ cup vegetable oil; 2 tsp vanilla extract; 1 cup boiling water; 1 cup unsalted butter, softened; 4 cups powdered sugar; 1/4 cup heavy cream; 1 tsp vanilla extract; Food coloring (purple, blue, black); Edible glitter; Star-shaped sprinkles

Highlighted under: Whisked Wonders

When I decided to create this Galaxy Themed Pisces Cake, I wanted to capture the essence of the cosmos while celebrating the whimsical nature of Pisces. The richness of the chocolate cake, paired with the vibrant galaxy frosting, creates a stunning visual and an irresistible flavor profile. With layers of fluffy cake and creamy buttercream, this dessert is sure to be a showstopper at any gathering. It’s a delightful journey for both the eyes and the palate, and I can’t wait for you to try it!

Created by

Katherine Blake

Last updated on 2026-02-10T16:53:36.165Z

Creating the Galaxy Themed Pisces Cake was a whimsical adventure for me. I wanted to experiment with vibrant colors and textures that mimic the stars and galaxies. I found that using a combination of dark chocolate and vanilla not only gives a delightful contrast but also holds the colors beautifully when piped. The key is to use a good quality food coloring; it makes all the difference in achieving that cosmic look!

During the baking process, I realized that sifting the dry ingredients minimizes the chance of overmixing the batter, resulting in a lighter cake. The stunning galaxy design comes together effortlessly if you focus on layering the colors while frosting. I can’t wait for you to see how stunning and delicious this cake truly is!

Why You Will Love This Cake
A visual masterpiece that wows everyone at the party
Rich chocolate flavor with a hint of cosmic flair
Perfect for birthdays, themed parties, or any celebration

Baking the Perfect Layers

The key to achieving moist and fluffy cake layers lies in the balancing act of ingredients. The combination of all-purpose flour and cocoa powder offers structure while keeping the cake tender. Make sure to sift the dry ingredients before mixing; this helps to aerate the flour and cocoa, resulting in a lighter texture. Additionally, the boiling water in the batter activates the cocoa, enhancing its flavor and ensuring a rich, chocolatey depth.

When you pour the batter into the prepared pans, ensure they are filled evenly to allow for uniform baking. It's easier to achieve level cake layers this way. Bake in a preheated oven for 30-35 minutes. Keep an eye on them: the cakes should spring back when touched lightly, and a toothpick should come out clean. Overbaking can lead to dryness, so check for doneness a few minutes before the timer goes off.

Creating Galaxy Frosting

The vibrant galaxy frosting is not only visually stunning but also crucial for the overall flavor of the cake. Start by beating the softened butter until it’s creamy; this will help to create a fluffy frosting that holds its shape well when piped. Gradually add in powdered sugar and heavy cream, mixing until you achieve a smooth and glossy texture. This step is essential for achieving the right spreadability without compromising the frosting’s stability.

For that signature galaxy effect, divide the frosting into several bowls and use food coloring to create rich hues of purple, blue, and black. When swirling the colors together on the cake, use a back-and-forth motion with an offset spatula or the back of a spoon. Don’t worry about perfection—an organic blend will mimic the cosmic theme beautifully, especially when topped with edible glitter and star-shaped sprinkles.

Ingredients

Gather the following ingredients to create this incredible cake:

For the Cake

1 ¾ cups all-purpose flour
1 ½ cups granulated sugar
¾ cup unsweetened cocoa powder
1 ½ tsp baking powder
1 ½ tsp baking soda
1 tsp salt
2 large eggs
1 cup whole milk
½ cup vegetable oil
2 tsp vanilla extract
1 cup boiling water

For the Frosting

1 cup unsalted butter, softened
4 cups powdered sugar
1/4 cup heavy cream
1 tsp vanilla extract
Food coloring (purple, blue, black)

For Decoration

Edible glitter
Star-shaped sprinkles

Ensure you have everything ready for a smooth baking process!

Instructions

Here’s how to create the Galaxy Themed Pisces Cake:

Preheat the Oven

Preheat your oven to 350°F (175°C). Grease and flour two 9-inch round cake pans.

Prepare the Batter

In a large bowl, mix flour, sugar, cocoa powder, baking powder, baking soda, and salt. Add eggs, milk, oil, and vanilla, and blend until smooth. Stir in the boiling water until combined.

Bake the Cake

Divide the batter evenly between the prepared pans. Bake for 30-35 minutes, or until a toothpick inserted in the center comes out clean. Let cool in pans for 10 minutes before transferring to wire racks.

Make the Frosting

In a large bowl, beat the softened butter until creamy. Gradually add powdered sugar and heavy cream until smooth. Mix in vanilla. Divide the frosting into separate bowls and tint each one with food coloring.

Assemble the Cake

Place one cake layer on a serving plate. Spread a layer of frosting on top, then add the second layer. Crumb coat the entire cake with a thin layer of frosting and chill for 30 minutes.

Decorate the Cake

Using the colored frostings, create a galaxy effect by swirling them together on the cake’s surface. Sprinkle with edible glitter and star-shaped sprinkles for a cosmic touch.

After decorating, let the cake set for a bit before slicing into it.

Pro Tips

Ensure your ingredients are at room temperature for the best texture. When mixing the frosting colors, don’t overmix
you want to keep that marbled effect.

Storage Tips

This cake can be made ahead of time, making it ideal for parties or gatherings. After the cake has cooled completely, wrap each layer in plastic wrap and store them in the refrigerator for up to three days. You can also freeze the layers for up to three months. Just be sure to double-wrap them in plastic wrap and aluminum foil for optimal freshness. When ready to use, let the layers thaw in the fridge overnight before decorating.

If your cake is already frosted and needs to be stored, place it in an airtight container in the refrigerator. Consuming it within a week is best for optimal flavor and texture. To serve from the refrigerator, let the cake sit at room temperature for about 30 minutes before cutting. This allows the frosting to soften slightly, enhancing the overall mouthfeel.

Serving Suggestions

This Galaxy Themed Pisces Cake is perfect for themed birthday parties or celebrations with a cosmically inclined atmosphere. To elevate your serving presentation, consider adding a few additional decorations, like edible stars and moon shapes around the base of the cake. Alternatively, serve slices alongside a scoop of vanilla ice cream for a delightful contrast to the rich chocolate flavor.

If you're looking for a twist, consider swapping some of the chocolate with a flavored cake alternative. For instance, try using a vanilla or even a lemon cake base for a lighter contrast to the heavy frosting. This can create amazing flavor combinations, turning your cosmic cake into a unique experience with every bite that caters to different taste preferences.

Questions About Recipes

→ Can I use a different type of cake for this recipe?

Absolutely! You can substitute with vanilla, red velvet, or even a gluten-free cake mix.

→ How long can I store the cake?

The cake can be stored in an airtight container at room temperature for up to 3 days or refrigerated for a week.

→ Is it possible to make this cake ahead of time?

Yes, you can bake the cakes a day in advance. Just wrap them tightly in plastic wrap and store them at room temperature.

→ Can I freeze the cake?

Yes, you can freeze the cake layers once they are fully cooled. Wrap them in plastic wrap and then foil for up to 3 months.