1Preheat oven to 375. In a bowl, combine flour and baking powder. In another bowl, mix peanut butter and milk, then add to dry ingredients and mix well. Place dough on a lightly floured surface and knead. Roll dough to 1/4 inch thickness and use a cookie cutter to cut out shapes. Bake for 20 minutes on a greased cookie sheet until lightly brown. Cool on a rack, then store in an airtight container.