INGREDIENTS
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1 lb sweet potato
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4½ cups all purpose flour
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½ cup (1 stick) unsalted butter
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3 eggs
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½ cup warm water
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1 tbsp active dry yeast
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2 tbsp sugar
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1⅓ cup brown sugar
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2½ tbsp cinnamon
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3 tbsp all purpose flour
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½ cup (1 stick) unsalted butter, room temperature
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2 cups powdered sugar
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2 tbsp milk
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1 tsp vanilla extract
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¼ cup (1/2 stick) unsalted butter, melted
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pinch of salt