Pisces-Themed Galaxy Cake (Printable Version)

A celestial layered cake featuring vibrant swirled buttercream and shimmering edible glitter with vanilla sponge.

# What You’ll Need:

→ Vanilla Sponge

01 - 2 ½ cups all-purpose flour
02 - 2 ½ teaspoons baking powder
03 - ½ teaspoon salt
04 - 1 cup unsalted butter, room temperature
05 - 2 cups granulated sugar
06 - 4 large eggs, room temperature
07 - 1 tablespoon pure vanilla extract
08 - 1 cup whole milk, room temperature

→ Galaxy Buttercream

09 - 1 ½ cups unsalted butter, room temperature
10 - 5 cups powdered sugar, sifted
11 - ¼ cup whole milk
12 - 2 teaspoons vanilla extract
13 - Gel food coloring: navy blue, purple, black, teal
14 - Edible glitter in silver, blue, or iridescent

→ Decoration

15 - White fondant, optional for Pisces symbols or stars
16 - Silver star sprinkles, optional

# Step-by-Step Guide:

01 - Preheat oven to 350°F. Grease and line three 8-inch round cake pans with parchment paper.
02 - In a medium bowl, whisk together flour, baking powder, and salt.
03 - In a large bowl, cream butter and sugar until light and fluffy, approximately 3-4 minutes.
04 - Add eggs one at a time, beating well after each addition. Mix in vanilla extract.
05 - Alternate adding flour mixture and milk to butter mixture, beginning and ending with flour. Mix until just combined.
06 - Divide batter evenly among prepared pans. Bake for 25-30 minutes until a toothpick inserted into center comes out clean.
07 - Cool cakes in pans for 10 minutes, then turn out onto wire rack to cool completely.
08 - Beat butter until creamy. Gradually add powdered sugar, milk, and vanilla; beat until smooth and fluffy.
09 - Divide buttercream into four bowls. Tint each with different galaxy colors: navy blue, purple, teal, and black.
10 - Place alternating spoonfuls of each colored buttercream onto cake layers and sides. Use offset spatula to swirl gently for galaxy effect.
11 - Sprinkle edible glitter generously over cake. Add fondant Pisces symbols or stars if desired.
12 - Chill for 30 minutes before slicing to set the design.

# Expert Tips:

01 -
  • The layers stay moist and tender, so even days later it tastes like you just pulled it from the oven.
  • Swirling the buttercream feels meditative and forgiving—there's no single right way to make it look cosmic.
  • You get to play with colors and glitter without anyone questioning your judgment.
02 -
  • Ingredients at room temperature are not optional—cold butter and cold eggs will cause your batter to seize and look broken, and no amount of mixing fixes that.
  • Edible glitter looks dramatically different depending on the light, so test it on a small area first if you're worried it might overwhelm your design.
03 -
  • An offset spatula is worth its weight in gold for swirling frosting—it gives you control that a regular spatula never will.
  • If you accidentally make the frosting too stiff, warm it gently by beating it over a bowl of hot water, one minute at a time, until it reaches the right consistency.
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