Whipped Sweet Potatoes
["2 (40 oz.) cans sweet potatoes", "2 eggs", "1/2 c. milk", "2 tsp. cinnamon", "1 stick margarine", "1/4 c. chopped walnuts (optional)", "marshmallows"]
["Mix all ingredients, except walnuts and marshmallows, in a large bowl with mixer.", "Stir in the chopped walnuts (optional). Pour into a 9 x 12-inch casserole.", "Bake for 35 to 40 minutes in a 350\u00b0 oven.", "Remove from oven.", "Cover with marshmallows (about 1/2 bag) and put back in oven for 3 to 5 minutes to toast marshmallows."]
["sweet potatoes", "eggs", "milk", "cinnamon", "margarine", "walnuts", "marshmallows"]