Swiss Chard and Kale Gratin

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Appears in Cook's Illustrated November/December 2019, America's Test Kitchen TV

For a new holiday side, we gussy up greens with a touch of cream and a crisp topping.

SERVES 8 to 10

TIME 1½ hours

has video

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...

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