Pisces Cake With Galaxy Theme

Name: Pisces Cake With Galaxy Theme
Prep time: 30 min
Cook time: 45 min
Total time: 1 h 15 min
Yield: 12 servings
Ingredients: 2 cups all-purpose flour; 1 ½ cups granulated sugar; ½ cup unsweetened cocoa powder; 1 ½ teaspoons baking powder; 1 teaspoon baking soda; ½ teaspoon salt; 2 large eggs; 1 cup whole milk; ½ cup vegetable oil; 2 teaspoons vanilla extract; 1 cup boiling water; 1 cup unsalted butter, softened; 4 cups powdered sugar; ¼ cup heavy cream; 2 teaspoons vanilla extract; Food coloring (purple, blue, and black for galaxy effect); Edible glitter; Star-shaped sprinkles; Fondant for planet shapes

Highlighted under: Sugar Studio

I always find myself in awe of the cosmos, and that inspired me to create this Pisces Cake with a galaxy theme. The vibrant colors and swirling designs make it a feast for the eyes as much as for the palate. Using a blend of rich chocolate and mouthwatering vanilla, I managed to capture the essence of both the zodiac sign and night sky. Perfect for celebrations, this cake not only tastes heavenly but also adds a dash of magic to any occasion.

Created by

Helena Wright

Last updated on 2026-01-22T10:43:16.312Z

Creating the Pisces Cake was a journey through culinary art and personal inspiration. I experimented with different methods to achieve the desired galaxy effect, finally landing on a combination of fondant and vibrant gel colors. This yielded an otherworldly look that I think truly embodies the mystical qualities of Pisces.

One vital tip I discovered was the importance of chilling the cake layers before decorating. It ensures that the frosting sets properly and prevents any unintended melting during assembly. With this little secret, my cakes have become more stable and much easier to work with!

Why You'll Love This Cake
Stunning galaxy-inspired design that's a showstopper
Deliciously moist chocolate and vanilla flavors
Perfect for astrological celebrations or themed parties

The Importance of High-Quality Ingredients

Using high-quality, fresh ingredients is crucial for the richness and flavor of your Pisces Cake. Opt for premium unsweetened cocoa powder to ensure a deep chocolate taste. When selecting eggs, choose large organic eggs for the best flavor and structure. The quality of your vanilla extract also plays a significant role; pure vanilla extract will impart a lovely aroma and enhance the cake's overall taste. Always measure your ingredients accurately to achieve a consistent texture.

For the frosting, using unsalted butter allows you to control the saltiness of your cake's flavor profile. Be sure your butter is softened at room temperature, which will help it whip up creamy and light. If you're in a pinch, you can substitute half of the unsalted butter with cream cheese for a tangy twist that pairs wonderfully with the chocolate and vanilla layers.

Creating the Galaxy Effect

The key to achieving a stunning galaxy effect lies in the technique used during frosting application. After separating your frosting into three bowls with different colors, work with one color at a time. Use a spatula to create swirling motions that blend the colors without fully mixing them. This action mimics the ethereal wisps of a galaxy, and I recommend starting with the darker colors like black, then layering purple, followed by blue to create depth.

For an added dimension, consider using a cake decorating turntable. This tool allows you to rotate the cake effortlessly while you frost, creating smooth edges and perfect swirls. You can also use different spatulas or palette knives to achieve various textures. Experiment with the angle and pressure to create unique patterns that enhance the galaxy theme.

Ingredients

Ingredients for Pisces Cake

For the Cake

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

For the Frosting

1 cup unsalted butter, softened
4 cups powdered sugar
¼ cup heavy cream
2 teaspoons vanilla extract
Food coloring (purple, blue, and black for galaxy effect)

For Decorations

Edible glitter
Star-shaped sprinkles
Fondant for planet shapes

Preparation Ingredients

Instructions

Instructions for Making Pisces Cake

Prepare the Cake Batter

Preheat your oven to 350°F (175°C). Grease and flour two 9-inch round cake pans. In a large mixing bowl, whisk together the flour, sugar, cocoa powder, baking powder, baking soda, and salt. Add the eggs, milk, oil, and vanilla extract to the dry ingredients. Mix until well combined. Slowly stir in the boiling water until the batter is smooth.

Bake the Cakes

Pour the batter evenly into the prepared cake pans. Bake for 30-35 minutes, or until a toothpick inserted into the center comes out clean. Let the cakes cool in the pans for 10 minutes, then transfer to wire racks to cool completely.

Make the Frosting

In a large bowl, beat the softened butter until creamy. Gradually add the powdered sugar, alternating with the heavy cream, until you reach your desired consistency. Mix in the vanilla extract and divide the frosting into three bowls. Color each bowl of frosting with food coloring—one for purple, one for blue, and one for black.

Assemble the Cake

Once the cakes are fully cooled, place one layer on a serving plate. Spread a layer of frosting on top, then add the second cake layer. Frost the top and sides of the cake with the remaining frosting, using a spatula to create a swirled galaxy effect.

Add Decorations

Finally, decorate the cake with edible glitter, star-shaped sprinkles, and fondant planets to enhance the galaxy theme. Serve and enjoy the cosmic delight!

Completion Tips

Pro Tips

Store any leftovers in an airtight container in the refrigerator for up to 3 days. For best flavor, allow the cake to come to room temperature before serving.

Storage and Make-Ahead Tips

This Pisces Cake can be made in advance and stored to keep it fresh and delicious. After fully cooling, wrap each cake layer tightly in plastic wrap and store them in the refrigerator for up to five days. If you’d like to extend the freshness even further, consider freezing the layers. Just be sure to wrap them in plastic and then foil, and they can last in the freezer for up to three months.

When ready to serve, allow the frozen layers to thaw in the refrigerator overnight before frosting. Frosting can also be made ahead of time; simply cover it and refrigerate. When you're ready to use it, allow it to come to room temperature and re-whip until creamy.

Flavor Variations

For those looking to add a personal touch to the Pisces Cake, consider experimenting with flavor variations. You can swap out one cup of all-purpose flour for almond flour for a nutty bite that pairs well with the chocolate and vanilla. Alternatively, add a teaspoon of espresso powder to the dry ingredients to enhance the chocolate flavor without overpowering it.

If you want a lighter version, you can substitute half of the vegetable oil with unsweetened applesauce. This will reduce the fat content while still keeping the cake moist. For a citrus twist, try incorporating some lemon or orange zest into the batter, which adds a refreshing brightness to complement the rich flavors.

Questions About Recipes

→ Can I use different types of flour?

Yes, you can substitute all-purpose flour with gluten-free flour or almond flour, but the texture may vary.

→ What can I use instead of eggs?

You can use flax eggs or applesauce as a substitute for eggs in this recipe.

→ How can I achieve sharper galaxy colors?

Use higher quality gel food coloring for vibrant, darker shades in your frosting.

→ Can I make this cake ahead of time?

Absolutely, you can bake the cake layers in advance and freeze them. Just frost before serving.