Source: Haru Cooking (Author: Dotori Leader)
Thinly slice the onion and cut the European salad mix into bite-sized pieces.
Mix soy sauce, perilla oil, water, Yondu, vinegar, stevia, and minced garlic to make the sauce.
Cut the tofu into bite-sized cubes and pan-fry in perilla oil. Season with a pinch of salt.
Boil the buckwheat noodles in boiling water for 5 minutes. Rinse thoroughly under cold water until the water runs clear and drain well.
Place the noodles, tofu, vegetables, and sauce in a bowl.
Make sure to eat all the ingredients together for the best flavor.