Broccoli Cheese Soup

1 tablespoon butter
1 onion, diced
2 heads broccoli, diced small and microwaved or steamed
2 cans cream of chicken soup
Milk – fill the emptied cans of chicken soup to rinse the cans and dilute the soup
Leftover chicken or a can of chicken (optional)
2 cups grated cheddar cheese

Saute the onion in butter until slightly browned. Add the soup, milk, broccoli and chicken and bring to a boil, then turn down to simmer. Add the grated cheese and simmer until melted, stirring.