Spinach Tortellini Soup with Chicken

Name: Spinach Tortellini Soup with Chicken
Prep time: 10 min
Cook time: 20 min
Total time: 30 min
Cuisine: American
Ingredients: 1 tablespoon butter ((or other cooking fat of choice)); 1 cup chopped celery; 1 cup chopped carrots; 1 cup chopped yellow onion; 4 sprigs fresh rosemary; 10 sprigs fresh thyme; 1/2 teaspoon salt; freshly ground black pepper; 8 cups chicken broth; 12 ounce package fresh tortellini; 2 cups fresh spinach; 3 cups shredded cooked chicken; drop biscuits; asiago black pepper bread; waffle iron grilled cheese