Preheat the oven to 200C / 390F
Mix the tofu marinade, break the tofu into chunks and coat in the marinade. Set aside.
Peel and chop the potatoes and add to a baking dish.
Mix the potato cooking liquid and pour onto the potatoes.
Skewer the tofu and add to a lined baking tray.
Put the tofu and potatoes into the oven for 15 minutes whilst you make the rest.
Grate half of a cucumber into a sieve and salt, leave to drain.
Mix the salad dressing ingredients.
Chop the salad items and toss in the dressing. Place in the fridge
Squeeze out the cucumber and add to a bowl with the remaining tzatziki ingredients and place in the fridge.
Turn the tofu skewers and potatoes and place back in the oven for a further 30 minutes (45 minutes total for both).
After the 30 minutes remove the tofu and potatoes and assemble your bowl!