Vanilla Cupcake - Nordic Ware

Ingredients

• 2 1/ 2 cups all-purpose flour
• 2 3/ 4 teaspoons baking powder
• 1/ 2 teaspoon salt
• 1 1/ 2 cups sugar
• 3/ 4 cup butter, softened
• 2 eggs plus 2 egg whites
• 2 teaspoons vanilla
• 1 cup milk
• 2 tablespoons rainbow colored sprinkles
• Buttercream Frosting
• 1/2 cup (1 stick) butter, softened
• 1 cup powdered sugar
• 1/2 Tbsp vanilla
• food coloring and sprinkles