Slow Cooker Nacho Soup

Name: Slow Cooker Nacho Soup
Prep time: 15 min
Cook time: 4 h 30 min
Total time: 4 h 45 min
Cuisine: Mexican, American
Ingredients: 1 lb ground beef (cooked and drained of fat); 1 C yellow onion (chopped); 1 C green bell pepper (chopped); 3 cloves garlic (minced); 1 jalapeño (seeds removed and diced); 15 oz corn (drained); 15 oz black beans (drained and rinsed well); 15 oz petite diced tomatotes (drained); 1 1/2 tsp chili powder; 1 1/2 tsp salt; 1 tsp ground black pepper; 1/8 tsp red pepper flakes; 3 1/2 C chicken or beef broth; 8 oz cheddar cheese (shredded); 1 C heavy cream; 3-4 Tb all purpose flour*; Green onions (chopped for topping)