Olive Garden Copycat Pasta e Fagioli Soup

Name: Olive Garden Copycat Pasta e Fagioli Soup
Prep time: 15 min
Cook time: 35 min
Total time: 50 min
Cuisine: American
Ingredients: 1 pound sweet Italian sausage (casings removed); 1 tablespoon olive oil (optional ); 1 medium yellow onion (diced ); 2 large carrots (diced ); 3 medium celery stalks (diced ); 1 tablespoon garlic (minced ); 1 teaspoon salt; ½ teaspoon pepper; 4 tablespoons tomato paste; 3 cups beef broth; 15 ounce can dark red kidney beans (drained and rinsed ); 15 ounce can cannellini beans (drained and rinsed ); 14.5 ounce tomato sauce; 14.5 ounce fire roasted diced tomatoes; 1 teaspoon dried oregano; 1 teaspoon basil, (fresh or dried); 8 ounces dry ditalini pasta; Fresh parsley (chopped, for serving ); Parmesan cheese (freshly grated, for serving ); Basil (for serving)