Sweet Vidalia Onions

This recipe is so sweet is should be under the "Dessert" category.

1 large Vidalia onion
57 sauce
Peel onion, cutting out core, about 1" square hole through onion. Set whole onion in square of aluminum foil. Dice the core of the onion and season with 57 sauce. Pour butter in core of onion and add diced onion to fill hole. Place remaining diced onion around bottom of onion. Wrap in aluminum foil and place in preheated Holland Grill for 45 minutes.