Italian Sausage Tortellini Soup is a comfort food recipe perfect when it's cold outside to bring that warm and cozy feeling inside
Set a large soup pot over medium heat. Add the Italian sausage and cook 7 to 8 minutes, breaking it apart as it cooks. Remove from the pot and set aside.
Add the olive oil to the same pot, once hot add the diced onions, red pepper, kosher salt, pepper, and crushed red pepper flakes. Cook 5 to 6 minutes, stirring occasionally.
Add the garlic and cook 1 minute, then add the cooked Italian sausage, crushed tomatoes, chicken broth, and Italian seasoning. Bring to a boil and reduce the heat and simmer 15 minutes.
Add the tortellini, spinach, and heavy cream and simmer 10 more minutes. Taste for seasoning and add more kosher salt, pepper, crushed red pepper flakes, and Italian seasoning if needed.