Place A Hobo Pie Toaster In The Hot Coals Of A Campfire To Preheat For A Few Minutes. Butter Both Slices Of Bread, Then Place One Slice, Butter-Side Down Into The Toaster. Crack The Egg Onto The Bread, And Break The Yolk. Top With A Slice Of Cheese And The Second Slice Of Bread, Butter-Side Up. Close The Toaster, And Place Into The Coals Of The Fire. Cook For Several Minutes, Turning Frequently, Until The Bread Has Browned Nicely On Both Sides.