Gâteau is French for cake. In the Pokemon games, you can get Old Gâteau, a healing item that replenishes all healing conditions for your Pokemon. Now, you can replenish yourself with this recipe for some real Old Gateau, courtesy Gourmet Gaming.
OK, so here’s the thing: this is actually a recipe for uir?-mochi, a sweet steamed cake made of rice and sugar. We have no idea if this is what Game Freak had in mind when they came up with this, but it looks damn close, doesn’t it? You can get the full recipe here.