1 pkg. Velveeta shells and cheese dinner
2/3 c. chopped green pepper
1 lb. ground beef
8 oz. can pizza sauce
2 1/2 oz. jar sliced mushrooms, drained
1/2 c. chopped onion

Prepare dinner as directed on package. Add peppers; mix lightly. Brown meat; drain. Stir in pizza sauce, mushrooms, and onions. Spoon dinner mixture into 1 1/2 quart casserole dish, top with beef mixture. Cover. Microwave on high 6-8 minutes or until thoroughly heated, turning dish every 2 minutes or bake 25 to 30 minutes at 350 degrees in conventional oven.