3 homemade oven cakes Recipes

paper-thin onion slices, yukon gold potatoes, peeled , coarsely grated on large holes of box grater or in processor (about 2 1/2 cups), salt, divided, unsalted butter, melted

eggs, egg yolks, sugar, pure vanilla extract, salt, cake flour, melted unsalted butter, up to 1/2 cup confectioner s sugar, equipment needed : 15-1/2 x10 x1/2 sheet pan, mix master such as kitchen-aid or a hand mixer, 2 clean dish towel, wax paper, spatula, cooling racks, parchment paper, 1 working oven at 375 degrees