Tilapia With Onion Crust without bread

1/2 lb tilapia fillet, rinsed and dried 2 tablespoons lemon juice , fresh 1 1/2 lbs potatoes , peeled and grated nutmeg , freshly grated, to taste 3 egg yolks[...]

1/8 cup black sesame seed 1/8 cup brown sesame seed 1/2 tablespoon peppercorn blend (black, white, pink and green peppercorns) 1 lemon 1 1/4 lbs tilapia[...]

4 tilapia fillets 8 ounces purple potatoes , peeled and very thinly sliced 2 tablespoons fresh rosemary leaves , minced and divided 2 tablespoons olive oil 2[...]