2 (1 lb.) tater tots, frozen if possible
2 med. onions, chopped
1 (8 oz.) can mushrooms, stems or pieces
1 stick butter
Aluminum foil

Lay 2 pieces of foil and fold center seam. Lay 2 more pieces in opposite direction and make center seam. Place tater tots, onions, mushrooms in center of foil and mix together. Slice butter on top of mixture. Fold foil in tight seams and roll ends together. Place on hot grill, butter side up for 15 minutes. Flip over every 15 minutes for an hour. If not done, continue until toasty brown.