Outdoor Cheesed Potatoes on the grill

3-4 lg baking potatoes pared & sliced
4 or 5 slices of bacon (crisp)
1 lg. onion (sliced) or
onion powder
2 cups (cubed) American, Cheddar or Blue Cheese
1/2 cup butter or margarine
salt & pepper to taste
Put potatoes onto a big piece of heavy duty foil & sprinkle with salt & pepper. Add onion & cheese cubes. Crumble bacon over. Slice butter over all. Mix together. Fold edges of foil leaving space for expansion. Seal well -- may double wrap. 45-50 min. on grill -turn.