3 fingerling potato coins Recipes

fingerling potatoes, peeled if desired, water, unsalted butter, cut into bits, chopped flat-leaf parsley, equipment : an adjustable-blade slicer

olive oil, divided, fingerling potatoes , cut into 1/4-inch-thick slices (3 1/2 cups), vertically sliced onion, kosher salt, garlic clove, minced, chopped fresh thyme, chopped fresh parsley, chopped fresh rosemary, freshly ground black pepper, eggs