BACON-MUSTARD Aioli: Mix ingredients until blended.
SANDWICH Assembly: Smoke meat over wood chips 1 min.
PLACE rolls, cut-sides up, in single layer in sheet pans. Spread top and bottom halves of rolls with Bacon-Mustard Aoli. Place 5 oz. meat and 1 oz. onions on bottom half of each roll. Cover top half of each roll with 2 cheese slices. Bake in 350ºF standard oven 5 min. Place 3 tomato slices on bottom half of each roll. Close rolls to make 16 sandwiches (or to make 1 sandwich for trial recipe).