Press the Tofu: Start by pressing the tofu to remove excess water. You can do this by wrapping the tofu block in a clean towel, placing a heavy object (like a skillet) on top, or using a tofu press. Let it press for at least 20 minutes.
Prepare the Marinade: In a medium-sized bowl, combine the lemon juice, apple cider vinegar, water, brine from green olives, miso paste, nutritional yeast, sea salt, garlic powder, onion powder, dried oregano, dried basil, and black pepper. Whisk until the miso is fully dissolved and the marinade is well mixed.
Cube the Tofu: Once it is pressed, cut it into small cubes (about 1/2 inch or 1.25 cm) to resemble feta cheese.
Marinate the Tofu: Place the cubes in a shallow dish or a container with a lid. Pour the marinade over the tofu, ensuring all pieces are submerged. Gently stir or shake the container to coat the tofu evenly with the marinade.
Marinate: Cover the dish or container and place it in the refrigerator. Let the tofu marinate for at least 4 hours, but overnight is best for maximum flavor absorption.
Serve: After marinating, your tofu feta can be used in salads, wraps, or topping for various dishes. It can be stored in the marinade in the refrigerator for up to a week.