Taco Soup

1 lb cooked ground beef
1 chopped onion
2 16 oz cans kidney beans (or 1 1/3 c. dry beans soaked & cooked)
2 16 oz cans pinto beans (or 1 1/3 c. dry beans soaked & cooked)
2 16 oz cans corn
2- 16 oz cans diced tomatoes
1-2 cans tomato sauce
1 pkg taco seasoning

Combine all ingredients including juices from canned goods, simmer 15 minutes. Serve with salsa, corn chips, chopped olives, grated cheese, & sour cream.