In a bowl prepare your marinade by combining the soy sauce, sesame oil, lime juice, water, all spice, garlic and black pepper. Add your tofu slices to it and let sit for about 20 minutes.
Bake your tofu in your preheated oven for about 20 minutes, flipping half way through.
Assembled your sandwich with kale, tomatoes, half an avocado, tofu and spicy mustard.