INGREDIENTS
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3 tablespoons unsalted butter
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1 medium onion, diced
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2 cloves garlic, minced
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1 teaspoon chopped fresh thyme
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1/8 teaspoon cayenne pepper
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3 large tomatoes (about 1 3/4 pounds), cut into 1-inch chunks
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1 teaspoon packed light brown sugar
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Kosher salt
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2 cups cherry tomatoes, halved
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3 tablespoons all-purpose flour
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1 1/2 cups all-purpose flour
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1 1/2 teaspoons baking powder
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1 teaspoon granulated sugar
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Kosher salt and freshly ground black pepper
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6 tablespoons cold unsalted butter, thinly sliced
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2/3 cup milk, plus more for brushing
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2 teaspoons whole-grain mustard
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1 teaspoon chopped fresh thyme