Does it have to be just turnip? If not, here's one of my favourite recipes. Bonus, it's simple!
Oven Baked Winter Vegetables
8 peeled, sliced carrots
8 peeled, sliced parsnips
1 thinly sliced onion
1 cubed turnip
1/2 cup chicken stock
1 tbsp cornstarch
1 tsp thyme
salt & pepper
1 cup shredded asiago cheese
Prepare vegetables and scatter in 9x13 baking pan. Mix chicken stock with cornstarch and thyme. Salt and pepper to taste. Pour over vegetables. Cover pan tightly with foil and bake at 400 for 1 hour. Remove foil. Sprinkle with asiago cheese and return to over just long enough to melt and lightly bubble the cheese (this may be done under the broiler).
The vegetables can be mixed up in your own preference of quantity/variety. Basically it's the asiago cheese that's the key to yummy!
Here's another:
Honey-glazed Carrots and Turnips
2 tbsp butter
1 tbsp packed dark brown sugar
1/2 tsp dried tarragon
1/4 tsp salt
1/4 tsp pepper
1 lb carrots, peeled and cut in 1/2" diagonal slices
1 lb turnips, peeeld and cut into 1/2" wedges
2 tbsp honey
In large deep skillet over medium heat, melt butter with brown sugar. Stir in tarragon, salt & pepper. Add carrots and turnips, drizzle with honey and toss to coat. Cover, cook until almost tender, about 10 minutes. Increase heat to medium-high. Remove cover; cook, stirring occasionally until liquid has evaporated and vegetables are tender and golden brown, 10-15 minutes.