Slow Cooker Spicy Buffalo Chicken Soup

Ingredients (11)

• 4 boneless skinless chicken breasts
• 1 sweet onion, diced
• 2 stalks celery, diced
• 2 garlic cloves, minced
• 48 ounces low-sodium chicken broth
• 2/3-1 cup buffalo wing sauce (depending on how spicy your wing sauce is and how spicy you like it)
• 1/2 cup heavy cream
• 2 Tablespoons cornstarch
• 1/2 cup freshly grated cheddar cheese
• Green Onions
• 1 avocado, sliced