EXTRA Creamy and Rich Japanese Egg Sandwich is a popular snack that is well-loved all over Asia. Welcome to Day 12 of Cooking 15 Street Foods for 15 Days today; we are making one of our go-to snacks, Japanese Egg Sandwich - Tamago Sando! If you never tried Japanese Egg Sandwich, you are missing out. There is a reason why you can find it everywhere in Japan! Japanese Egg Salad is simple with only FOUR ingredients, yet it is super-rich in flavor, and the egg shines through. Get yourself some fluffy milk bread because I am about to blow your mind with this simple recipe!