Pasta Fagioli

INGREDIENTS

• 2 tablespoons butter, divided
• 1 package sweet Italian sausage, casings removed
• ½ large (or 1 medium) onion, finely chopped
• 4 cloves garlic, minced
• 4 carrots, thinly sliced
• 4 stalks celery, thinly sliced
• 28 oz. can diced tomatoes
• 1 can red kidney beans, drained and rinsed
• 1 can white cannelini beans, drained and rinsed
• 64 oz. beef broth
• 28 oz. can tomato sauce
• 2 teaspoons dried parsley
• 1/2 teaspoon dried basil
• 1 teaspoon salt
• 4 oz. small dry pasta