Kewpie is Japan’s most trusted and beloved mayonnaise and salad dressing brand,and has been a staple of Asian cuisine since we introduced mayonnaise to the Japanese kitchen in 1925.
Spread mayonnaise evenly on one side of each Shokupan bread.
Place one shokupan, mayonnaise side up. Add ham and egg and cover with another shokupan, mayonnaise side up. Add avocado and cucumber. Cover with shokupan, mayonnaise side down. Wrap with the plastic wrap and let it rest for 5 minutes. Cut in half and remove the wrap. Serve immediately.