Swiss Chard and Kale Gratin
SERVES8 to 10
SEASON 21French-Inspired Comfort Food
WHY THIS RECIPE WORKS
For a creamy, rich green gratin with a crisp, flavorful bread-crumb topping, we started with a mixture of kale and Swiss chard. Sturdy kale kept the gratin fluffy and tall; Swiss chard collapsed when cooked, but its plentiful tender stems a...