Grilled Potato Salad
Preheat the grill to high heat.
Add the potatoes to a pot of boiling water and cook for 5 minutes.
Strain the potatoes and add them to a bowl with the onions and olive oil and toss to coat.
Line a hot grill with Reynolds Wrap® Heavy Duty Foil.
Place the potatoes and onions on the foil on the grill and cook for 8 to 10 minutes or until the potatoes and onions are browned and cooked.
Chill the potatoes and onions until cool.
Add the cooled potatoes and onions to a medium-size bowl and mix them with the celery, eggs, mayonnaise, mustard and salt and pepper.
Chill before serving.