Preheat oven to 350°. Sauté mushrooms and onions in butter until soft. Add flour; stir until smooth. Add milk and half & half slowly, stirring over low heat until mixture thickens. Add cheese, Tabasco, soy sauce, salt and pepper. Mix until cheese melts. Add green beans, bean sprouts and water chestnuts to sauce. Pour into a 3-quart flat casserole. Sprinkle almonds on top. Bake 20 to 25 minutes. Yields 10 to 12 servings. (Perfect to serve with ham.)