4 potato gratin with truffle oil Recipes

fontina cheese, well chilled, yukon gold potatoes, peeled and cut into 1/8-inch thick slices, coarse salt & freshly ground black pepper, creme fraiche (see note ), white truffle oil, minced fresh herbs, of your choice (thyme , basil, rosemary or combination of)

yukon gold potatoes (about 1.5 lbs), peeled, organic heavy cream, shallot, minced, minced fresh chives, grated parmesan cheese, black truffle cheese (mine was a gouda this time), sea salt, ground white pepper, black truffle oil

haricots verts (french thin green beans) or regular green beans, fresh chanterelle mushrooms, olive oil, minced garlic, fresh black truffle * (about 9 g), shallots, sea salt, six 5-oz skinless halibut fillets, fresh lemon juice, fresh thyme leaves, fresh tarragon leaves, fish stock, vin jaune or dry sherry, purple-potato and crab gratin