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Celebration Cake

Celebrate birthdays, graduations, anniversaries and much more with the Swans Down Celebration Cake. Also known as the Happy Day Cake, it’s a simple sheet cake recipe that’s easy to make and perfect for any gathering. Get creative with frostings, sprinkles and decorations to dress this classic cake up for any occasion. This recipe can also be used for cupcakes!



  • 2 ½ cups Sifted Swans Down® Cake Flour
  • 1 tablespoon baking powder
  • 1 teaspoon salt
  • 1 ½ cups granulated sugar
  • ½ cup (1 stick) unsalted butter, softened
  • 1 cup whole milk
  • 1 teaspoon vanilla extract
  • 2 large eggs, room temperature
  • Sprinkles, for topping


  • 1 cup (2 sticks) unsalted butter, softened
  • 4 cups  powdered sugar
  • 1 teaspoon vanilla extract
  • 3 ounces unsweetened chocolate, melted
  • 1 to 2 tablespoons whole milk


  1. Preheat oven to 350°F. Butter and lightly flour 2 (9×13-inch) rectangular layer pans.
  2. Make Cake: Sift flour once; measure and add baking powder, salt and sugar and sift once more.
  3. Mix softened butter, flour mixture, 3/4 of the milk and vanilla at low speed for 2 minutes.
  4. Add eggs and remaining milk and beat 1 minute more.
  5. Pour batter into prepared pans. Bake 20 to 25 minutes, until tester inserted in center comes out clean. Cool in pans 10 minutes. Remove from pans and cool completely on wire racks.
  6. Make Frosting: Cream butter and 2 cups powdered sugar in small bowl. Beat in vanilla and melted chocolate.
  7. Add remaining powdered sugar gradually, beating well after each addition.
  8. Thin with milk to reach desired consistency; fill layers with frosting or your favorite preserve and frost cake and top with festive sprinkles if desired.