|Chopped onion||1⁄4 Cup (4 tbs)|
|Dry mustard||1⁄2 Teaspoon|
Slice, and boil in salted water until tender but not too soft, about 15 minutes; drain, and mash.
Cook potatoes in salted water in separate saucepan.
Drain well, mash and combine with mashed turnip.
Add remaining ingredients, and whip with egg beater or electric beater.
Turn puree into buttered casserole, and bake uncovered at 400Ã‚Â°F. 20 minutes or until firm, puffed and lightly browned on top.
Note: Grated cheese may be sprinkled over top a few minutes before removing from oven.