Cook pasta according to package directions. Drain; reserve hot. In a pot of boiling water, heat pouch of Alfredo Sauce.
Heat oil in a large saute pan over medium high heat. Add leeks and red pepper saute 1-2 minutes. Add squash, zucchini, and tomatoes, stir and combine saute 1-2 minutes. Add spinach, stir until wilted.
Add Alfredo Sauce and pasta; stir to coat. Serve immediately. Garnish with fresh grated parmesan and chopped parsley.
