Turnip Casserole

1 1/2 pounds turnips, peeled and thinly sliced
2 tablespoons butter
1 onion, thinly sliced
2/3 cup chopped green bell pepper
1/3 cup chopped celery
2 tablespoons flour
1 cup milk
1/2 cup grated sharp cheese
Salt and pepper, to taste
3 tablespoons bread crumbs

Cook turnips in boiling, salted water to cover until just tender. Drain. Sauté in butter the onion, green pepper and celery until tender. sprinkle with flour and cook 1 minute.

Add milk and stir until thickened. Stir in cheese, salt and pepper. Combine cheese sauce with turnips, place in baking dish and top with crumbs. Brown under broiler. May be prepared ahead and run under broiler just before serving.