Tuscan Tortellini Soup

Name: Tuscan Tortellini Soup
Prep time: 10 min
Cook time: 30 min
Total time: 40 min
Cuisine: European, Italian, Mediterranean
Ingredients: 1 tbsp. extra-virgin olive oil; 1 medium yellow onion, chopped; 1 lb. cooked chicken sausage links, sliced into 1/2-inch-thick rounds; 3 cloves garlic, minced; 1 oz. (28-0z.) can crushed tomatoes; 6 c. Swanson Chicken Broth; 1 tsp. crushed red pepper flakes; Kosher salt; Freshly ground black pepper; 2 (9-oz.) packages refrigerated cheese tortellini; 1 oz. (15-oz.) can white beans, drained; 5 oz. baby spinach; Freshly grated Parmesan, for serving