1 1/2 to 2 lbs. ground round
1 egg
1 pkg. Mrs. Grass onion soup mix
6 slices American cheese
1 pkg. Pepperidge Farm party rolls (20 in a pkg.)

Mix together first 3 items and press in a 9x13 inch pan. Bake 20 minutes in a 350 degree oven.

Melt 6 slices American cheese on top. Slice rolls in half. Lay tops on top of cheese. Cut according to size of rolls. Put dill pickle slice on bottom part of roll. Scoop out of pan and put bottom of roll on bottom of hamburger.