Saute oil, onions and peppers. Add eggs and cook until done. Fry hamburger separately and drain. Combine all ingredients in large casserole or roasting pan. Mix evenly.
Cover with foil and bake in preheated 350 degree oven for 1 hour. Stir every 15 minutes, replacing foil each time. After 1/2 hour pour 1/2 cup hot water evenly over rice. Continue to bake. (Fills 13 x 9 inch pan to the top.)