Makeover Penne with Vodka Cream Sauce

Directions

1. In a large saucepan, saute onion in oil until tender. Add garlic; cook 1 minute longer. Stir in tomatoes and vodka. Bring to a boil. Reduce heat; simmer, uncovered, for 30-35 minutes or until slightly thickened, stirring occasionally.
2. Meanwhile, cook penne according to package directions.
3. Stir the pesto, salt and pepper flakes into tomato mixture. In a small bowl, combine flour and cream until smooth; stir into pan. Add milk. Bring to a boil; cook and stir for 2 minutes or until slightly thickened. Drain penne; serve with sauce. Sprinkle with cheese.