"With comforting notes of butterscotch and caramel, butter tarts are perfect when you want something small and sweet, and they require just a few basic pantry ingredients...."
INGREDIENTS
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Single-Crust Food Processor Pie Dough
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⅔ cup packed light brown sugar
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⅓ cup maple syrup
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4 Tbsp. unsalted butter, very soft
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1 large egg
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1½ tsp. white vinegar or apple cider vinegar
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1 tsp. vanilla extract
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¼ tsp. salt
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Small handful of raisins, dried currants, chopped pecans, or chopped walnuts (optional)