A vibrant, celebratory layer cake bursting with rainbow sprinkles in every bite, featuring a moist vanilla cake and creamy buttercream frosting. Perfect for birthdays and special occasions.
Storage: Store covered in the refrigerator for up to 5 days. Bring to room temperature before serving. Make-Ahead: Bake the cake layers up to 2 days in advance; wrap tightly in plastic wrap and store at room temperature. Frosting can be made 1 day ahead and refrigerated. Variations: Substitute buttermilk with plain yogurt or add a teaspoon of almond extract for a twist. Serving Suggestion: Pair with a scoop of vanilla ice cream or fresh berries for an extra special dessert.