Sprinkle the dehydrated onions on the bottom of a 9X13 pan

Pat the uncooked ground beef on top of the onions.

Sprinkle seasoned salt on top of the ground beef. Place in a 400 degree oven for 25 minutes. Remove from the oven. The beef patty will shrink so don't be alarmed. Blot up the excess juice from the top so the cheese will adhere to the meat.

Add 6 pieces of sliced American cheese. It's important to use 6 slices because it will give you landmarks to help divide the patty into 24 pieces. Return to the oven for about 2 to 3 minutes until the cheese is melted. Remove from the oven and lest rest for 5 minutes. Slice into 24 slices.

Lift out each burger patty and place on the bottom of the roll. Make sure you get some of the onions on the bottom, too!. Top with a dill pickle slice. Add some yellow mustard to the inside of the top of the roll.

All we're missing is Petula Clark singing "Downtown".