Ingredients 1 1/4 cups all-purpose flour 1/2 teaspoon baking soda 1/4 teaspoon salt 1/2 cup (1 stick) unsalted butter, softened 1/4 cup granulated sugar 1/4 cup firmly packed brown sugar 1/2 teaspoon Pure Vanilla Extract, 4 Oz. 1 egg 1/2 cup semi-sweet chocolate chips Tools Whoopie Pie Pan, 12-Cavity Whoopie Pie Pan, 12-Cavity Instructions Click to mark complete - Preheat oven to 350°F. Prepare pan with vegetable cooking spray. - In medium bowl, combine flour, baking soda and salt. In large bowl, beat butter and sugars with electric mixer until light and fluffy. Add vanilla and egg; mix well. Add flour mixture to butter mixture; mix well. Stir in chips. Press dough into pan cavities, filling 3/4 full. - Bake 9-10 minutes or until edges are golden brown. Cool 5 minutes in pan; remove and cool completely on cooling grid.