INGREDIENTS
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1⁄2 pound (2 sticks) unsalted butter, plus more for the pan (226 g)
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2 to 3 tablespoons Demerara sugar, for the pan
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10 ounces bittersweet chocolate (66 to 72% cacao), chopped (284 g)
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2 ounces unsweetened chocolate, chopped (57 g)
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3 tablespoons barley malt syrup (75 g)
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4 large eggs
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2 cups granulated sugar (400 g)
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2 teaspoons vanilla extract (10 g)
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1 1⁄2 cups all-purpose flour (190 g)
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1 teaspoon baking powder (4 g)
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11⁄2 teaspoons chipotle chile powder (3 g)
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1 1⁄2 teaspoons smoked paprika (3 g)
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3⁄4 teaspoon cayenne pepper (1 g)
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1 teaspoon kosher salt (4 g)