1 med. onion, chopped
1/2 med. green pepper, chopped, (optional)
1 lb. ground beef
1 c. raw rice
1 (15 oz.) can tomato sauce
2 c. hot water
1 1/2 tsp. salt
1 tsp. prepared mustard

In skillet lightly brown onion, green pepper, beef, and rice. Add remaining ingredients. Mix well, bring to a boil. Simmer 25 minutes.