Mississippi Sweet Potato Pie Ingredients: * 4 ounces butter, softened * 2 cups cooked and mashed sweet potatoes * 2 cups granulated sugar * 1 small can (5 ounces, about 1/2 cup plus 2 tablespoons) evaporated milk * 1 teaspoon vanilla * 3 eggs, beaten * 1 1/2 teaspoons cinnamon * 2 prepared pie shells, [...]