Chocolate Chiffon Pie
["1/4 c. (1/2 stick) butter or margarine", "2 cans (3 1/2 oz. each) flaked coconut, toasted", "3 envelopes unflavored gelatin", "2 c. sugar", "1 tsp. salt", "2 2/3 c. water", "4 sq. unsweetened chocolate", "6 eggs, separated", "2 tsp. vanilla", "1/2 tsp. cream of tartar", "1 c. heavy cream, whipped"]
["Melt butter in medium sized saucepan.", "Stir in coconut; remove from heat.", "Press mixture against sides and bottom of 9-inch pie plate.", "Refrigerate."]
["butter", "flaked coconut", "unflavored gelatin", "sugar", "salt", "water", "unsweetened chocolate", "eggs", "vanilla", "cream of tartar", "heavy cream"]