• Heat oil in skillet set over medium heat; sauté onion, pepper and garlic for about 5 minutes or until softened. Add pesto and cook for 1 minute.
• Crumble sausage into skillet; cook, breaking up with wooden spoon, for about 5 minutes or until browned. Stir in tomato sauce, tomato paste and pepper; bring to boil. Reduce heat and simmer for about 10 minutes or until slightly thickened and sausage is cooked through.
• Cook pasta according to package directions; drain and toss with sauce. Serve with dollop of ricotta and garnish with parsley and Parmesan cheese.

Tip: For a milder version, use sweet Italian sausages.