Turn the oven down to 350°F.
In a small bowl, combine the cottage cheese and eggs, stirring until the eggs are well incorporated.
2 cups cottage cheese, 2 eggs
Spray a 13- x 9-inch baking dish with cooking spray, then scrape half of the squash into the baking dish and distribute evenly.
Cover the squash with half of the sauce, half of the cottage cheese mixture, half of the chicken, half of the mozzarella, and half of the Parmesan.
4 cups cooked chicken, 8 ounces mozzarella cheese, ¾ cup Parmesan cheese
Repeat the layers, using the rest of the ingredients in the 2nd layer.
Place in the oven and bake for 45 minutes or until the top is golden brown.