This makes a good side dish, with both kinds of potatoes a differet way to serve the potatoes togeather , will also make a good casserole by adding some meat and cheese.swirling the potatoes makes for a pretty marbled look. I like this recipe also because it's a 2 fer . One recipe two ways to make it. This recipe is from Publix - Aprons cook Book
In a Large pot , Place cubed and peeled sweet potatoes and covr with water, place on stove on High Heat to bring to a boil, - Then Reduce Heat to a Simmer and lightly salt the water , cover and cook for 15 to 18 minutes or untill the potatoes are tender.
Meanwhle in a sauce pan , combine ,milk ,whipping cream, 1/4 cup butter , celery salt and pepper Heating on Low Heat untill Butter is Melted and combined into the mixture . Set Aside - When the sweet Potatoes are done , Drain well, and return to the same pot . Then Take the milk mixture and pour it over the S. Potatoes in the Pan. You can either beat the potatoes with an electric mixer or use a potatoe masher to mash or beat till smooth.
Now to make the swirled potatoes - Take the pan of prepared sweet potatoes and, spoon half of them in one coner of the dish and spoon the rest of them in the opposite coner . - Take the 3 cups of the white prepared Mashed potatoes and spoon into the other 2 oppisite coners of the dish, Then Gently shake the dish so that the potatoes all meet in the middle of the dish, Take a knife or spoon and Swirl the potatoes to make a swirled patteren - Serve with additional butter or Parmesan Cheese if desired, To make into a casserole the directions are as follows.
To make the casserole - Preheat oven to 350 - Brown the ground beef in a skillet , Drain and sprinkle over the potatoes in the dish, Sprinkle on 1/2 to 1 cup of Shredded cheese ( chedder or Parmesan ) Your Choice Over the top, Place in Oven and Bake untill Cheeseis Melted and dish is hot .