Another type of lettuce, such as Red Leaf, also would work great in this salad version of the popular sandwich.
Stir together first 7 ingredients until well blended.
Layer lettuce, bacon, and tomato in a 13- x 9-inch baking dish. Spread mayonnaise mixture evenly over tomato, sealing to edge of dish. Cover and chill salad at least 2 hours. Sprinkle with croutons, and serve immediately.