Celebrate fullness while dieting! It's also perfect for exam-time meals! If you’re not on a diet, add a swirl of mayonnaise and some wasabi for extra flavor.
Dice the drained tofu into large cubes and place them in a udon bowl.
Dice the cucumber into fingernail-sized pieces, salt with two pinches of fine salt one hour ahead, and keep refrigerated.
Use half of a small can (100g) of drained tuna.
Place the tuna on one side of the bowl and sprinkle with black pepper.
Mix 2 tablespoons of soy sauce, 1 tablespoon of sesame oil, 1 tablespoon of oriental salad dressing, and a pinch of fine salt.
Fry an egg sunny-side up (soft yolk) and place it on top as garnish.
Thinly slice 1/5 of an onion as finely as possible and place it beside the tuna.