2 lb. hamburger
salt and pepper
1 egg, beaten
1 can mushrooms
4 slices toasted bread
1 3/4 c. grated cheese
1/3 c. finely chopped onion

Combine meat, salt, pepper and egg. Mix well. Pat out to 10 x 12-inch on wax paper. Cube bread. Combine with cheese, mushrooms and onion. Spread mixture on meat to within 1-inch of edge. Roll meat around stuffing. Press to seal. Place seam side down and bake at 300°F for 1 hour.