Minute Rice Casserole

1 can Mushroom Soup
1 1/3 cup water
1/4 tsp salt
1/4 c onion, chopped
1/4 c pimento
1 1/3 c Minute Rice
1 1/2 cups frozen peas
1 can Rediburger
1/2 cup grated cheese

In saucepan, combine soup, water, salt, onion and pepper; Bring to a boil, stirring occasionally; Add Rice, peas and burger.  Put into a casserole; Sprinkle with grated cheese; Bake covered at 350. until peas are done.