Although tonkatsu is a good hangover cure, I was unsure whether I could actually hold them down yesterday – I was suffering from the wicked aftereffects of Saturday’s excellent hanami. After returning to human form, I remembered Maisen’s 限定 circular sandwiches in the GranSta in the basement of Tokyo Station. These are nice and small, a perfect snack serving size:

There’s also a yolky egg stuffed inside:

Not a bad buy at 470 yen. My only complaint is that they bag them while they’re hot, so the steam condenses on the inside of the bag and makes the bread slightly moist.