
Slow Cooker Pizza Soup is a great comfort food dinner recipe with sausage, pepperoni, and topped with cheese made in the Crock Pot!
Set a skillet over medium heat. Add the Italian sausage and cook 6 to 8 minutes, breaking apart the sausage with a spatula as it cooks. Drain excess grease and put the sausage in the slow cooker.
Add the diced onion and pepper to the slow cooker along with the garlic, pepperoni, pizza sauce, chicken base (if using), chicken or beef broth, Italian seasoning, kosher salt, pepper, and crushed red pepper flakes.
Turn the slow cooker on low for 6 to 8 hours. Stir in the chopped spinach and cook 30 more minutes. Taste for seasoning and add more kosher salt, pepper, Italian seasoning, and/or red pepper flakes if needed.
Serve the soup topped with mozzarella cheese and with garlic bread or garlic toast of desired..