Creamy Marry Me Ditalini Sausage Pasta

Ingredients

• 1 pound ditalini pasta
• 1 tablespoon olive oil
• 1 pound Italian sausage, casings removed
• 1 medium onion, finely chopped
• 3 cloves garlic, minced
• 1 teaspoon red pepper flakes
• 1/2 teaspoon black pepper
• 1 cup heavy cream
• 1/2 cup chicken broth
• 1/2 cup grated Parmesan cheese
• 1 tablespoon tomato paste
• 1/4 cup sun-dried tomatoes, chopped
• Salt to taste
• Fresh basil leaves, for garnish
• Grated Parmesan cheese, for serving