A Japanese stir-fried dish of lotus root.
Combine the lotus root with the vinegar in water in a bowl. Soak briefly, then drain well.
Heat oil in a large pan over medium heat. Add lotus root and stir fry until almost translucent.
Add sake, mirin, and sugar. Continue frying until alcohol has cooked off.
Add chile and shoyu. Continue stir frying until liquid is almost gone.
Add sesame seeds, toss to combine, and serve.