Place zucchini, yellow squash, and mushrooms on a lightly oiled cookie sheet into a preheated 350 degree F oven for 20 minutes or until lightly browned. Cool slightly.
Mix 1 egg with 15 oz of Ricotta Cheese
To make lasagna, coat the bottom of a 9 x 13 inch baking pan with tomato sauce, cover with a layer of noodles followed by zucchini, yellow squash, mushrooms, and basil, followed by a layer of the ricotta cheese and mozzarella. Repeat.
Top with tomato sauce, Mozzarella and Parmesan Cheese. Place in preheated 375 degree oven and bake until golden brown, about 30 minutes
Cool slightly and cut into squares.