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Swiss Chard Gratin

Prep Time 15 minutes
Total Time 30 minutes
Servings 4


  • 2 tablespoons butter
  • 1 large sweet onion diced
  • 12 cups thinly sliced chard leaves about 2 large bunches, thick stems removed
  • 2 cups milk
  • 2 teaspoons cornstarch
  • ¼ teaspoon ground nutmeg
  • Sea salt and pepper
  • 1 cup coarsely grated gruyere
  • ½ cup gluten-free breadcrumbs


  1. Preheat the oven to 400°F.
  2. In a large nonstick skillet, heat the butter. Saute the onion over medium-high heat until soft, about 5 minutes. Add the chard and cook until wilted and the stems are tender, about 5 minutes.
  3. In a small bowl, whisk together the milk and cornstarch. Add to the pan and simmer until slightly thickened, about 5 minutes. Season with the nutmeg and 1 teaspoon salt.
  4. Transfer the greens to a 3-quart ceramic baking dish and sprinkle the cheese over the top, followed by the breadcrumbs. Bake for 15 minutes, until heated through and the top is lightly golden brown.