For the salsa, wash and clean the cucumber, cut in half lengthwise, remove the seeds. Cut cucumber into fine cubes. Peel and finely dice onion. Wash chili and cut into rings. Heat 1 tbsp. oil, fry onion for about 4 minutes while turning it.
After 2 minutes add cucumber and chili. Season with salt, sugar and vinegar. Wash the coriander, shake dry. Pluck the leaves from the stems and chop them, except for a little bit for garnishing. Stir the coriander into the salsa and chill.
Peel, wash and halve the potatoes and cook in boiling salted water for about 20 minutes. Peel, wash and slice carrots. Add to the potatoes after about 10 minutes. Heat milk and fat.
Cut the tofu into slices and marinate in soy sauce. Heat 1 tablespoon of oil in a frying pan. Fry the tofu for approx. 4 minutes, turning it over. Drain the potato and carrots, add the milk-butter mixture and mash.
Season with salt and mace. Arrange potato and carrot mashed potatoes, tofu and salsa on plates and garnish with coriander.