1 1/2 lbs lean ground beef
2 cups uncooked macaroni
2 cans (10 2/4-oz each) condensed tomato soup
1 can (16-oz) whole-kernel corn, drained
1/2 medium-size onion, chopped
1 can (4-oz) sliced mushrooms, drained
salt and pepper to taste
Crumble beef in a skillet and brown; drain well. Transfer to cooker.
Cook macaroni according to package directions until almost tender; drain well. Add to the beef in the cooker.
Add the soup, corn, onion, mushrooms, salt and pepper to cooker. Cover and cook on low 7 to 9 hours or on high 3 to 4 hours.