Cook pasta following package directions, drain, and set aside.
Heat oil in a 10-inch frying pan over medium heat. Add vegetables and cook, stirring frequently until vegetables are crisp-tender,about 5 minutes. Add lemon juice and remove cooked vegetables to a serving dish. Keep warm.
Reduce heat to low and add milk and cream cheese to skillet. Stir until cheese had melted and mixture is creamy. Add grated lemon peel and Parmesan cheese. Stir to combine, add to cooked pasta and toss to coat.
Serve pasta topped with mixed vegetables and black pepper. Makes 3-4 servings.
