Yukon Gold Scalloped Potatoes

Bake 5 pounds Yukon Gold potatoes in foil, wrapped individually, at 400 degrees F for about 45 minutes. Leave in foil and let cool completely. Cut into squares.

1 (3 pound) block Velveeta cheese, cut into small blocks
2 large Vidalia onions, finely chopped
1 pound bacon, fried and crumbled
1 quart Hellman's mayonnaise

Mix all ingredients together and let set in refrigerator overnight. Bake at 350 degrees F until hot and bubbly and cheese is completely melted.