3 duck fat potato caraway onions Recipes

unsalted butter, melted, divided, plus more for pan, caraway seed, duck fat, melted, kosher salt, fresh ground black pepper, yukon gold potatoes, unpeeled, sweet onion, very thinly sliced

unsalted butter, melted, divided, plus more for pan, caraway seeds, rendered duck or bacon fat, melted, more) kosher salt, freshly ground black pepper, yukon gold potatoes, unpeeled , cut into 1/8 -thick slices with a mandoline or v-slicer, sweet onion (such as maui), very thinly sliced