1. Preheat the oven to 350 degrees. In a pot combine the mashed potatoes, half & half, 1/4 teaspoons salt, and 1/4 teaspoons pepper. Cook over low heat 6-8 minutes, stirring until smooth. Stir in parsley; cool slightly. Mash sweet potatoes with cinnamon, nutmeg, and allspice. Add in remaining salt and pepper. Set aside. 2. If desired, transfer white potato mixture to a pastry bag fitted with a large star tip; pipe into an ungreased 2 quart baking dish leaving 2 inches between mounds. Repeat for sweet potatoes. 3. (If you don't have a pastry bag but have a star tip, use a zip-top baggie; be careful when cutting the hole - don't get it too big!). 4. Bake until heated, 30 minutes. If baking ahead, cover with foil and refrigerate. 5. To serve, uncover and bake as directed, adding 10-15 minutes. ---------------------------------------------------------------------------
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Ingredients