2 lb. ground beef
1 medium onion, finely chopped
1 (28 oz.) can tomatoes
1 (15 oz.) can tomato sauce
1 can water
1 (15 oz.) can pinto beans, rinsed and drained
1 (14 to 16 oz.) can whole kernel corn, drained
1 envelope taco seasoning mix

In large Dutch oven, brown meat and onion; drain. Puree tomatoes in their liquid; add to pan with sauce, water, beans, corn and seasoning. Bring to boil; reduce heat and simmer for 5 minutes. Can top each serving with chopped tomatoes, shredded Cheddar cheese, sour cream and corn chips.