Jerusalem Artichoke Gratin Recipe
Ingredients 1 pound Jerusalem artichokes, peeled and sliced 1/4-inch-thick and reserved in cold water until ready to use 3 cups milk 8 ounces creme fraiche 2 tablespoons freshly squeezed lemon juice 1 cup grated Gruyere cheese 1 tablespoon minced fresh thyme 1 teaspoon coarse salt 1/4 teaspoon freshly ground pepper 1/2 pound Yukon gold potatoes, peeled and sliced 1/4-inch-thick 5 ounces shallots, peeled and sliced thinly 5 ounces peeled chestnuts, halved lengthwise...