Peanut Butter Bar Cookies recipe

Ingredients. 2 1/4 cups all purpose flour. 1 teaspoon baking powder. 1/8 teaspoon salt. 1 cup creamy peanut butter. 1/2 cup unsalted butter. 1 cup packed brown sugar. 1/2 cup granulated sugar. 1 teaspoon vanilla. 2 large eggs. Bake at 350 degrees Fahrenheit for 18 to 20 minutes.