Ingredients: -1/2 cup (1 stick) unsalted butter -1/2 cup granulated sugar -3/4 cup all-purpose flour -1 teaspoon baking powder -1/4 teaspoon salt -2 large eggs -1 teaspoon vanilla extract -1/2 cup semisweet chocolate chips Instructions: Preheat oven to 350 degrees F. Grease and flour an 8x8 inch baking pan. In a medium bowl, cream butter and sugar together until light and fluffy. Add flour, baking powder, and salt; mix well. With a wooden spoon, stir in eggs, one at a time, then add vanilla. Stir in chocolate chips. Pour batter into the prepared pan. Bake for 30 minutes or until toothpick inserted into center comes out clean. Cool brownies in pan on a wire rack for 10 minutes before slicing into squares.