Recipe by: Hershey's Combine flour, granulated suagar, brown sugar, baking powder, and salt in a large bowl. (You can use an electriv mixer on slow speed for mixing.) Add shortening and butter; cut in with pastry blender or hands until mixture resembles coarse cornmeal. Store in an airtight container in refrigerator. NOTE: After refrigeration, measure amount of mix needed; of Basic Cookie Mix ----