INGREDIENTS
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1 cup all-purpose flour
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1/2 cup plus 1 tablespoon unsweetened Mexican cocoa powder (or substitute by adding 3/4 teaspoon ground cinnamon to unsweetened cocoa powder)
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1/4 teaspoon baking soda
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1/4 teaspoon salt
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1/2 cup plus 1 tablespoon packed light brown sugar
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1/2 cup plus 1 tablespoon granulated sugar
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3 tablespoons sweet butter, at room temperature
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3 tablespoons margarine
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1/2 teaspoon ground cinnamon
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Generous pinch ground black pepper
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Generous pinch cayenne pepper
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1 teaspoon vanilla extract
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1 egg white
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1/2 cup dulce de leche, optional
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1/4 cup almonds, finely chopped, optional