Quick Vegetable Man'n'Cheese

8 oz shells or elbow pasta
3 c. mixed veggies, like broccoli and cauliflower florets, sliced carrots and chopped bell pepper
1 1/4 c fat-free milk
2 TB cornstarch
2 TB olive oil
1 medium onion, chopped
1 c shredded reduced-fat sharp cheddar cheese
2 oz reduced fat cream cheese

1. Prepare the pasta according to package directions, adding the vegetables to the water during the last 5 minutes of cooking time. Drain and place in a serving bowl.

2. Meanwhile, in a measuring cup, whisk together the milk and cornstarch. Heat the oil in a medium saucepan over medium heat. Add the onion and cook, stirring frequently, for 5 minutes. Add the milk mixture and bring to a boil, stirring constantly. Reduce the heat to medium-low and add the Cheddar and cream cheese. Stir until melted. Pour over the pasta mixture and toss to coat well.