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Perfect High School Graduation Sheet Cake Recipe Easy Class of 2026 Design Tutorial

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A moist and fluffy sheet cake with rich buttercream frosting featuring a festive Class of 2026 stencil design, perfect for high school graduation celebrations.

Ingredients

Scale
  • All-purpose flour, 3 cups (360 g)
  • Baking powder, 2 ½ teaspoons
  • Baking soda, 1 teaspoon
  • Salt, ½ teaspoon
  • Unsalted butter, 1 cup (226 g), softened
  • Granulated sugar, 2 cups (400 g)
  • Large eggs, 4, room temperature
  • Whole milk, 1 cup (240 ml), room temperature
  • Pure vanilla extract, 2 teaspoons
  • Buttermilk, 1 cup (240 ml), room temperature
  • Unsalted butter, 1 cup (226 g), softened (for frosting)
  • Powdered sugar, 4 cups (480 g), sifted
  • Vanilla extract, 2 teaspoons (for frosting)
  • Whole milk or heavy cream, 2-4 tablespoons (for frosting)
  • Gel food coloring: black, gold, and white
  • Edible gold glitter or dust (optional)
  • Class of 2026 stencil

Instructions

  1. Preheat oven to 350°F (175°C). Grease a 9×13 inch sheet pan with butter or non-stick spray and dust lightly with flour.
  2. In a medium bowl, sift together flour, baking powder, baking soda, and salt. Set aside.
  3. In a large bowl, beat softened butter and granulated sugar with an electric mixer on medium speed until light and fluffy, about 4-5 minutes.
  4. Beat in eggs one at a time, mixing well after each. Stir in vanilla extract.
  5. Reduce mixer speed to low. Add dry ingredients in three parts, alternating with whole milk and buttermilk, beginning and ending with dry ingredients. Mix just until combined.
  6. Pour batter evenly into prepared pan and smooth the top.
  7. Bake for 35-40 minutes or until a toothpick inserted in the center comes out clean.
  8. Cool cake in pan on wire rack for 20 minutes, then invert onto rack to cool completely.
  9. For frosting, beat softened butter until creamy. Gradually add sifted powdered sugar on low speed.
  10. Add vanilla extract and 2-4 tablespoons milk or cream, beat on medium-high until light and fluffy.
  11. Divide frosting into three portions: tint one black, one gold, and leave one white.
  12. Spread white frosting evenly over cooled cake with an offset spatula. Chill cake in fridge for 20 minutes.
  13. Place Class of 2026 stencil on cake. Carefully spread black frosting over stencil using a small spatula or piping bag. Remove stencil gently.
  14. Use gold frosting to highlight details or borders. Optionally brush edible gold glitter for sparkle.
  15. Refrigerate cake for 30 minutes to set frosting before serving.

Notes

Do not rush the creaming of butter and sugar for best texture. Use room temperature eggs and milk for smooth batter. Chill cake between frosting layers to prevent crumbs. Gel food coloring is preferred for vibrant colors without thinning frosting. Practice stencil on parchment or cupcakes before applying to cake. For gluten-free or dairy-free versions, substitute flour and dairy accordingly.

Nutrition

Keywords: graduation cake, sheet cake, buttercream frosting, Class of 2026 cake, easy cake recipe, vanilla cake, celebration cake

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