Place potatoes and onions on the foil, distribute butter pats on potatoes and onions
Salt and Pepper potatoes
Seal foil around the contents - place on top rack of grill for approximatly 45 minutes to 1 hour, until potatoes are fork tender; or cook in a 350° pre-heated oven for 1 hour until potatoes are fork tender.
Notes
You can place foil packet on a cookie sheet if you wish.
Nutrition values are estimates, for exact values consult a nutritionist.