Cheeseburger Soup

0 Melt 1 tablespoon of butter in a heavy stockpot over medium heat. Add ground beef and onion. Cook until beef is browned and done, breaking up as it cooks, about 5-6 minutes.Bring to a boil; reduce heat to low and simmer until potatoes are tender, 10 to12 minutes.
6 Melt the remaining 3 tablespoons butter in a small saucepan over medium heat. Add flour and whisk until smooth, about 1 minute. Gradually whisk in evaporated milk; simmer and stir until sauce is thick and smooth. Add cream sauce into soup, stirring constantly. Bring to a simmer, reduce heat to low and stir in cheese until melted.
9 Stir in sour cream, stirring until just heated through.
10 Season with salt and pepper. Serve hot topped with green onions, French fried onions, or croutons.
Slow Cooker Instructions
12 Cook the potatoes, onions, French onion soup, and broth in your slow cooker on low (6-8 hours) or on high (4-5 hours).
13 About 45 minutes before serving, cook beef in a large saucepan and add it to the crockpot.
14 Prepare the cream sauce in the same pan, then stir it in the slow cooker along with the shredded cheese and sour cream. Continue cooking until the cheese melts.