Taco Soup

I think this might be Sara J's recipe, but I love it.

1 lb. ground beef
1 6 oz can tomato paste
1/2 c chopped onions
1 8 oz can tomato soup
3 c water
1 env taco season
2 cans stewed tomato
2 cans kidney beans
sour cream
chips
shredded cheese

Brown hamburger and onion. Drain. Add remaining ingredients and simmer for 20-30 minutes. Top with sour cream, cheese, and chips.