Delightfully Different Chicken Pie
["1 chicken, cooked and deboned", "4 Tbsp. margarine", "4 oz. sliced mushrooms", "1/4 c. chopped onion", "5 Tbsp. flour", "1/2 tsp. salt", "1/4 tsp. pepper", "2 c. chicken broth", "1 can water chestnuts, drained and sliced", "1 Tbsp. parsley", "1/2 c. stuffed green olives, divided", "Rice Shell (recipe follows)"]
["Melt margarine in frypan over medium heat.", "Add mushrooms and onion.", "Cook 5 minutes.", "Stir in flour, salt and pepper.", "Brown 2 minutes.", "Add broth; stir until thickened.", "Remove from heat and stir in chicken, water chestnuts and parsley.", "Cool.", "Make rice shell.", "Sprinkle 1/4 cup olives in rice shell.", "Pour chicken mixture in.", "Top with remaining olives.", "Bake at 350\u00b0 for 40 minutes.", "Let stand 10 minutes before slicing."]
["chicken", "margarine", "mushrooms", "onion", "flour", "salt", "pepper", "chicken broth", "water chestnuts", "parsley", "green olives", "Rice Shell"]