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Milk Bar White Sheet Cake

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A nostalgic and festive vanilla sheet cake with soft, fluffy layers and creamy frosting, topped with colorful rainbow sprinkles. Perfect for birthdays and celebrations.

  • Author: Emma
  • Prep Time: 20 minutes
  • Cook Time: 30 minutes
  • Total Time: 1 hour
  • Yield: 12–16 servings
  • Category: Dessert
  • Method: Baking
  • Cuisine: American
  • Diet: Vegetarian

Ingredients

  • 2 1/4 cups all-purpose flour
  • 2 1/2 tsp baking powder
  • 1/2 tsp salt
  • 1 cup granulated sugar
  • 1/2 cup unsalted butter, softened
  • 1/4 cup vegetable oil
  • 3 large eggs
  • 1 tbsp vanilla extract
  • 1 cup milk
  • 1/2 cup unsalted butter (for frosting), softened
  • 2 1/2 cups powdered sugar
  • 2–3 tbsp heavy cream or milk (for frosting)
  • 1/4 cup rainbow sprinkles

Instructions

  1. Preheat oven to 350°F (175°C) and grease a 9×13-inch sheet pan.
  2. In a medium bowl, whisk together flour, baking powder, and salt.
  3. In a large bowl, cream butter, sugar, and oil until light and fluffy. Beat in eggs one at a time, then add vanilla extract.
  4. Alternately add the flour mixture and milk to the wet ingredients, mixing until just combined.
  5. Pour batter into prepared pan and spread evenly. Bake for 28–32 minutes, or until a toothpick inserted in the center comes out clean.
  6. Let cake cool completely before frosting.
  7. For the frosting, beat softened butter until creamy. Gradually add powdered sugar and heavy cream, beating until smooth and fluffy.
  8. Spread frosting over cooled cake and top with rainbow sprinkles. Slice and serve.

Notes

  • Use seasonal sprinkles for different occasions.
  • Add almond extract for a flavor variation.
  • Cut and stack cake for a layered version.
  • Let chilled cake come to room temp before serving.
  • Freeze unfrosted cake for up to 2 months.

Nutrition

Find it online: https://allcookedup.com/milk-bar-white-sheet-cake/