1 tsp rice vinegar
1 tsp vegetable oil
1 tsp sugar
1 tsp soy sauce
1 tsp grated onion
2 Tbsp ground white sesame seeds
1 to 2 tsp mayonnaise *Adjust the amount of mayonnaise as you like.

Mix rice vinegar, oil, sugar, and soy sauce in a bowl. Add grated onion and ground sesame seeds. Add mayonnaise as you like.
*Makes 2 servings

(Adapted from