Bathe duck in a spiced (nutmeg, allspice) and spicy (habanero) marinade, stick it in the oven, ignore it for five hours, then serve it with fixings for build-it-yourself tacos.
For this nontraditional okonomiyaki recipe, you need to julienne the potato. Use a mandoline with the shredder attachment, or slice it very thinly into planks and then crosswise into very thin strips....