INGREDIENTS
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1 teaspoon unflavored gelatin
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1 1/2 cups heavy cream
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1/2 cup whole milk
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2 cinnamon sticks
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1 star anise pod
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1/4 cup plus 2 Tbsp. sugar
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1/2 vanilla bean, split lengthwise
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4 large egg yolks
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1/2 cup all-purpose flour
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2 tablespoons light brown sugar
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1/2 teaspoon kosher salt
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1/4 teaspoon ground cinnamon
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1/4 cup ( 1/2 stick) chilled unsalted butter, cut into pieces
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1/2 cup store-bought sweet potato chips (such as Terra Chips), crumbled