Prepare Mashed Potatoes Without Adding Butter Or Seasonings. In A Large Mixing Bowl, Combine Potatoes, Egg Yolks And Melted Butter. In A Small Bowl Combine Nutmeg, Garlic Powder And Parsley Flakes. Stir Seasoning Into Potatoes, Mixing Well. Place By Spoonfuls Onto Greased Baking Sheet Or Pipe Onto Sheet With Pastry Bag.