1 lb. ground beef
1/3 c. chopped onion
1 can Cheddar cheese soup
1/3 c. water
1 c. drained chopped tomatoes
1 tsp. prepared mustard
1 (8 oz.) can whole kernel corn, drained
2 c. cooked noodles

Brown beef well. Drain well. Add onion. Cook until tender. Pour in remaining ingredients. Pour into 1 1/2-quart casserole dish.

Bake at 350°F for 35 minutes or until hot. Stir. Garnish with parsley, if desired.