INGREDIENTS
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1 1⁄2 lb. Swiss chard, stemmed, leaves torn into 2″ pieces
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2 tbsp. olive oil, plus more
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8 cloves garlic, thinly sliced
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2 shallots, thinly sliced
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1⁄2 cup flour
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2 1⁄2 cups milk
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1 cup heavy cream
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1 cup shredded Gruyère
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1⁄4 tsp. freshly grated nutmeg
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3 eggs, beaten
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2 (4-oz.) cans sardine fillets packed in oil, drained
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1⁄2 cup panko bread crumbs