23 potato leek gratin gruyere Recipes

olive oil, chopped leeks (white and green parts only , about 3 large), mushrooms (such as crimini and stemmed shiitake, cut into 1/2-inch cubes, about 10 cups), garlic cloves, minced, yukon gold potatoes, peeled , cut into 1/8-inch-thick slices, heavy whipping cream, salt (or more ), freshly ground black pepper (or more ), coarsely grated gruyere cheese

unsalted butter, leek, white and tender green, thinly sliced, homemade dry bread crumbs, freshly grated gruyere cheese, jerusalem artichokes , thinly sliced crosswise, salt and freshly ground pepper, sweet potato (about 1/2 lb), peeled and thinly sliced crosswise, heavy cream