Creamy Tortellini Soup with Sausage

Name: Creamy Tortellini Soup with Sausage
Ingredients: 14 ounces fresh cheese tortellini; 1 pound mild Italian sausage, no casings; 1 red bell pepper, thinly sliced; 2 shallots, finely chopped; 4 garlic cloves, minced; 2 tablespoons tomato paste; 1 cup puréed tomatoes or crushed tomatoes; 4 cups chicken broth; 1 cup heavy cream; 1/3 cup grated Parmesan; fresh thyme, for serving; 1 teaspoon each: dried oregano, dried sage, smoked paprika, black pepper; 1/4 teaspoon red pepper flakes, more for serving; 1/4 teaspoon ground nutmeg; salt, to taste