INGREDIENTS
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4 tablespoons unsalted butter, plus more for greasing
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1 onion, finely chopped
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2 teaspoons minced thyme
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4 cups frozen corn kernels (about 20 ounces), thawed
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1/2 cup stone-ground cornmeal
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Kosher salt and freshly ground pepper
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5 large eggs
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3 cups half-and-half
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1 cup shredded sharp white cheddar cheese