Combine mashed sweet potatoes, milk, eggs, sugar, butter, salt, and the grated lemon or orange rind. Pour into the unbaked pie shell; bake at 425° for 15 minutes. Reduce heat to 350° and bake the sweet potato pie for about 35 minutes longer, until the pie is set. A knife inserted in center should come out clean.
Makes 8 Slices
Calories per serving: 304