Preheat the oven to 400º and line a baking sheet with aluminum foil. Add a few pieces of bacon to the sheet and place in the oven for 12 minutes until crispy.
Slice the tomato into thin slices. Then take the iceberg lettuce and with one quick slam on the counter, take out the stem at the bottom. Grab a few pieces of lettuce and set aside. Slice the avocado into thin slices, and set aside.
Meanwhile, add the bread to the toaster and toast until desired crispness.
Begin to assemble the BLATs by adding mayonnaise, then lettuce, tomato, avocado, then the other side of the bread.
Slice into halves, and serve with your favorite side, or eat as is.