and cook potatoes until tender. Drain
potatoes and whip
. Add sugar
, salt, butter
, milk and vanilla. Mix well and put in a greased 1 1/2 quart casserole
. Bake in a preheated 325 degree oven for 25 minutes. Place marshmallows and pecans
on top and return to oven for about 5 minutes or until brown on top.