A Chicago Fire Department special!

1 #10 can tomato pur?
1 #10 can whole peeled tomatoes, chopped
6 pounds good ground beef
1 large yellow onion, chopped
1/2 cup commercial chili powder
3 tablespoons whole oregano leaves
Salt and pepper, to taste
1 #10 can red kidney beans, drained

Toppings
Cheddar cheese, grated
Sour cream
Yellow onions, peeled and diced

In a large pot bring the tomato pur? and whole tomatoes to a slow boil. While this is heating, brown the ground beef with chopped onion. Add this to the tomato mixture. Add chili powder and simmer for 1 hour. Add oregano, salt and pepper to taste and simmer 15 minutes. Add kidney beans and simmer 30 minutes.