In a bowl, combine rice, egg, and spices. Stir with a fork until thoroughly mixed.
Add a splash of olive oil to the bottom of a 139 pan. Spread it around with a basting brush. Spread rice mixture in the pan.
Cut zucchini lengthwise in 1/4" thick slices. Place a single layer of zucchini slices on the rice.
Pour the spaghetti sauce over the zucchini.
Sprinkle one cup of cheese over the spaghetti sauce.
Layer the croutons over the cheese.
Sprinkle one cup of cheese over the croutons.
Cover with foil and bake at 350 degrees for 20 minutes. Remove foil and cook for an additional 10 minutes or until cheese is brown.
