Drain crab and set aside. Cook broccoli until almost tender and arrange in the bottom of greased 1 litre casserole. Sprinkle with grated cheese. Melt quarter C of butter and saute the onion. Add flour, curry powder and salt. Gradually stir in milk. Cook until thickened. Stir in lemon juice. Add crab. Pour over broccoli and cheese in casserole. Mix 2T of melted butter with bread crumbs and sprinkle over top. Bake at 180ÂșC or 30 mins. A good dish to use the Krab. Also does nicely in individual casseroles.