Preparation

• Preheat the oven to 375°F and grease a 9×13-inch baking pan.
• In a bowl, cream together butter and sugar until light and fluffy. Add eggs and vanilla; mix well.
• Combine flour, baking powder, and salt in another bowl; gradually stir into the wet mixture until just combined.
• Press dough evenly into the prepared pan and bake for 10–13 minutes until barely set in the center.
• Let cool completely before frosting with a mixture of butter, powdered sugar, vanilla, and milk.
• Top with colorful sprinkles or candies before slicing into bars.