Mushroom and Leek Gratin
This creamy vegetable dish topped with crispy bread crumbs is worthy of a spot on the holiday table.
WHY THIS RECIPE WORKS
For a streamlined vegetarian holiday gratin, we pared down the vegetable options to earthy mushrooms and subtly sweet leeks. To avoid a watered-down mess, we started by precooking both vegetables to draw out their moisture. Next we built a ...