Directions: While rice is cooking according to package directions, brown onions and celery in butter. Remove from heat and add milk, flour, salt, sage, thyme, and black pepper. Add well-drained rice to mixture. Pour into 2 litre casserole. Drain oysters and let soak in lukewarm, melted butter over rice mixture and spread the oysters evenly. Top with Ritz cracker crumbs. Bake at 180ºC . for 45 minutes or until oysters curl