Penne with Summer Squash Recipe - Vegetarian Italian Pasta Dish

Ingredients

• 1 lb (454 g) dry penne pasta , preferably whole- wheat
• 0.25 cup olive oil , preferably extra-virgin
• 3 medium cloves garlic , minced
• 2 large shallots , finely chopped
• 4 small zucchini (1 lb (454 g)), very thinly sliced
• 8 oz (227 g) small pattypan squash , quartered (2 cup)
• 1.5 tsp finely grated lemon peel
• 0.5 tsp salt
• 0.5 tsp freshly ground pepper
• 0.5 cup finely shredded fresh basil
• 0.33 cup chopped fresh chives
• 0.5 cup shaved fresh parmesan cheese (optional)