Slow Cooker Cheesy Burger Flavored Soup

Ingredients For the Soup Base:1 lb ground beef, browned1 cup diced onion1 cup diced celery1 cup diced carrots3-4 medium potatoes, peeled and diced4 cups beef broth2 cups shredded cheddar or American cheese1 cup heavy cream2 cloves garlic, minced1 teaspoon Worcestershire sauceSalt and pepper to taste1 teaspoon mustard powder (optional for a burger-like flavor)Optional Toppings:Chopped green … Read more