To prepare a double chocolate peanut butter thumbprint cookies baked goods recipe, first you will need to prepare your ingredients. First, you'll need your flour, baking powder, sugar, and salt. Then, add your wet ingredients to the dry ingredients and mix until the ingredients are well combined. Next, take your cookie dough and roll it into 1 inch thick balls. Place the balls on ungreased cookie sheet and bake for 12 minutes at 325 degrees F. Remove the cookies from the oven and allow them to cool on the baking sheet for 5 minutes.