Campers Coffee Cake.....,,.. 1 pkg. blueberry muffin mix (Betty Crocker) Lightly grease 2 (9") foil pie pans. Prepare muffin mix according to package. Pour batter into 1 pie pan. Invert second pan over pan with batter.Secure rims with clothespins. Place on grill 4" from hot coals. Cook 15 minutes on each side, rotating pans occasionally to insure even baking.