Creamy Sausage Tortellini Soup

Ingredients

• 1 tablespoon olive oil
• 1 pound Italian sausage
• 1 medium onion, diced
• 2 cloves garlic, minced
• 4 cups chicken broth
• 1 can (14.5 ounces) diced tomatoes
• 1 teaspoon dried basil
• 1 teaspoon dried oregano
• 1/2 teaspoon red pepper flakes
• 1 cup heavy cream
• 1 package (9 ounces) refrigerated cheese tortellini
• 2 cups spinach
• Salt to taste
• Pepper to taste