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Perfect Celebration Sheet Cake Recipe Easy Vibrant School Colors Guide

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A quick and easy sheet cake recipe perfect for school events and parties, featuring vibrant school colors using gel food coloring for a moist, tender crumb and creamy frosting.

Ingredients

Scale
  • 2 ½ cups all-purpose flour (spooned and leveled for accuracy)
  • 2 ½ teaspoons baking powder
  • ½ teaspoon salt
  • 1 cup unsalted butter, softened
  • 1 ¾ cups granulated sugar
  • 4 large eggs, room temperature
  • 1 tablespoon pure vanilla extract
  • 1 cup whole milk, room temperature (can substitute with almond milk if preferred)
  • 1 cup unsalted butter, softened (for frosting)
  • 4 cups powdered sugar, sifted
  • ¼ cup whole milk (more if needed for consistency)
  • 2 teaspoons vanilla extract
  • Gel food coloring in your chosen school colors (AmeriColor or Wilton recommended)
  • Optional: Sprinkles or edible glitter in matching colors
  • Optional: Fresh berries or edible flowers for decoration

Instructions

  1. Preheat your oven to 350°F (175°C). Grease a 9×13 inch sheet cake pan thoroughly with butter or non-stick spray, then lightly flour it.
  2. In a medium bowl, whisk together flour, baking powder, and salt. Set aside.
  3. Using an electric mixer, beat 1 cup softened butter and 1 ¾ cups sugar on medium speed until light and fluffy, about 4 minutes.
  4. Beat in 4 large eggs one at a time, fully incorporating each before adding the next. Add 1 tablespoon vanilla extract.
  5. Reduce mixer speed to low. Add dry ingredients in three parts, alternating with milk in two parts (dry, milk, dry, milk, dry). Mix just until combined.
  6. Pour batter evenly into prepared pan and smooth the top gently with a spatula.
  7. Bake for 35-40 minutes or until a toothpick inserted in the center comes out clean. Avoid opening the oven door frequently.
  8. Cool cake in pan on a wire rack for 15 minutes, then invert onto rack to cool completely before frosting.
  9. For frosting, beat 1 cup softened butter until smooth and creamy. Gradually add powdered sugar, alternating with ¼ cup milk, beating on medium-high until fluffy. Stir in 2 teaspoons vanilla extract.
  10. Divide frosting into separate bowls for each school color. Add gel food coloring gradually until vibrant shades are achieved. Mix well.
  11. Spread a thin crumb coat layer of frosting on the cake and chill for 15 minutes to set.
  12. Frost the cake with remaining colored frosting in desired pattern using an offset spatula for smooth edges.
  13. Decorate with sprinkles, edible glitter, or fresh berries if desired. Chill cake for 30 minutes to set frosting before slicing.

Notes

Use gel food coloring to maintain vibrant colors without diluting frosting or batter. Avoid overbaking to keep cake moist. Apply a crumb coat before final frosting and chill to set. If batter is too thick, add 1-2 tablespoons milk. Start with light frosting colors and deepen gradually.

Nutrition

Keywords: sheet cake, celebration cake, school colors cake, easy cake recipe, party dessert, vibrant frosting, gel food coloring, crowd-pleaser

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