Recipe - Leeks And Celery Au Gratin

3 Leeks, shredded
4 Lrg stalks celery
Salt & pepper
One fourth cup Butter
One half cup Flour
1 teaspoon Mustard powder
One fourth teaspoon Tumeric
1 1/3 cup Milk
1 One half cup Cheddar cheese, grated
3 tablespoon Breadcrumbs

Saute the leeks and celery in a little oil for 5 min. Add 2/3 cup water.
Season, cover, and cook until the vegetables are tender. Put them into an
ovenproof baking dish. In another pan, melt the butter. Stir in the flour,
mustard powder and turmeric. Cook for 2 min. Gradually add the milk,
stirring all the time to make a smooth sauce. Pur the sauce over the leeks
and celery. Mix the cheese and breadcrumbs together and sprinkle them over
the top. Brown in the oven at 375° for 15 min.