Sweet Potato Pie
["4 medium size sweet potatoes, cooked until soft, then peeled", "3 eggs, lightly beaten", "1/2 c. sugar", "1/2 tsp. cinnamon", "1/2 tsp. allspice", "1/4 tsp. salt", "1 1/2 c. light cream", "1 tsp. grated lemon peel", "4 Tbsp. unsalted butter, melted and cooled", "1 unbaked 9-inch pie shell, chilled"]
["Preheat oven to 400\u00b0.", "Put the sweet potatoes in a large mixing bowl and mash with a wooden spoon or a potato masher.", "Set aside.", "Combine the eggs, sugar, spices, salt, lemon zest and cream in a small bowl; whisk until combined.", "Pour this mixture into the sweet potatoes; stir until thoroughly combined.", "Add the butter; mix well.", "Pour into the pie shell and bake for an hour, or until filling is set and a knife inserted in the center comes out clean.", "Let cool completely before slicing."]
["sweet potatoes", "eggs", "sugar", "cinnamon", "allspice", "salt", "light cream", "unsalted butter", "pie shell"]