Slow-Cooker Cheeseburger Soup | Food Stuff

Ingredients

• 1½ tablespoons Worchestershire sauce
• 3 medium celery ribs, chopped
• 8 oz cheese, additional for topping (if desired)
• 3 cups canned chicken broth, divided
• 2 tablespoons all-purpose flour
• 3 medium garlic cloves, minced
• ¼ teaspoon kosher salt
• 1 cup milk
• 1 tablespoon olive oil
• 1 medium onion, chopped
• ½ teaspoon paprika
• 4 cups peeled and diced potatoes
• 1 tablespoon yellow mustard