Cook and stir ground beef, onions, and green peppers in skillet until beef is brown; drain. Stir in undrained tomatoes and the remaining ingredients.
Oven Method: Pour into ungreased casserole dish. Cover and cook in 350 degree oven until rice is tender and liquid is absorbed, about 1 hour.
Range Top Method: Heat to boiling; reduce heat. Cover and simmer, stirring occasionally, until rice is tender and liquid is absorbed, about 30 minutes.