3 jerusalem potato gratin Recipes

sized gratin dishes, brussels sprouts, new potatoes, jerusalem artichokes, yellow onion, fatty cured bacon (more of a smoked ham than bacon actually), garlic (minced finely), heavy cream, flour, butter, butter (melted ), grated kasseri cheese (or a firm sheep milk cheese), coarse fresh bread crumbs, salt , white pepper, fresh rosemary , thyme and chives (finely chopped)

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