1 lb. ground beef
1 c. sliced mushrooms (either canned or fresh)
1/2 c. chopped green pepper
1/2 tsp. salt
1 (32 oz.) jar spaghetti sauce
1 box manicotti
1/2 c. grated Parmesan cheese

In skillet, brown beef, mushrooms, and peppers; drain off fat. Add salt and 3/4 cup spaghetti sauce. Pour small amount of spaghetti sauce in 2 quart casserole (9 x 13 inch). Fill manicotti with meat mixture and place in dish. Spoon on remaining sauce. Cover and bake 25 to 30 minutes (350 degrees). Remove cover; sprinkle with cheese. Return to oven for 5 minutes.