1. Preheat oven to 350 degrees F. In a dry, nonstick skillet fry the rice until its brown in color. Then put half of it in the bottom of a large casserole dish.
2. Layer half of the shredded cabbage on top of it. Mix the water and the spaghetti sauce and then pour half of it over the cabbage.
3. Spread half of the mushrooms over this. Then repeat layers. Bake for about an hour.'