Slice the tempeh into thin slices, about 1/4 to 1/8th of an inch thick and place the slices into a glass dish, set aside.
To make the marinade, mix together water, liquid aminos, apple cider vinegar, maple syrup, and seasonings, pour over the sliced tempeh.
Cover and place the tempeh into the refrigerator over night, or for at least an hour before cooking (if you want to make it the same day).
After an hour or the next day, pull the marinaded tempeh out of the refrigerator and set aside.
Slice the tomato into thin slices, and set aside for the assembly of the TLT.
And place the lettuce next to your tomatoes.
In a large skillet, on medium heat, add oil and the marinated tempeh, cook until the tempeh is a nice deep golden brown on each side.
A little tip: I used the marinade liquid in the skillet as well. This helped to brown up the tempeh, reduces the amount of oil you need, and of course adds more flavor.
While the tempeh is cooking, prepare your bread for the TLT.