Leeks Au Gratin - cooking recipe

Ingredients

8 medium leeks
3 Tbsp. butter
3 Tbsp. flour
1/2 tsp. dry mustard
1/2 tsp. salt
1 c. milk
1 c. shredded Cheddar cheese
1 c. fresh bread crumbs

Preparation

Cook leeks; place in baking dish.
In 1-quart saucepan over low heat, melt butter, stir in flour, mustard and salt until smooth. Gradually stir in milk; cook, stirring until thickened.
Stir in cheese until melted; pour mixture over leeks.
Sprinkle with crumbs.
Broil to brown crumbs.