Slice roll and spread each half with french dressing. Then layer each half equally with the three meats (vary layers, if desired). Place in toaster oven or under broiler for 2-3 minutes.
Remove from flame and top meats with salt, pepper, and havarti. Place both halves back under the broiler.
When the cheese is melting, remove and top with onion, lettuce and tomato. Press the two halves together with your hands and/or secure with toothpicks, slice cross-wise, and devour! *Optional--can add pepperoni, canadian bacon, provolone, banana peppers -- .