Frozen Chocolate Mousse Pie
["2 c. finely crushed creme-filled chocolate cookies (about 20)", "1/4 c. margarine or butter, melted", "1 (6 oz.) pkg. semi-sweet chocolate chips (1 c.), melted", "1 (14 oz.) can Eagle Brand sweetened condensed milk", "1 1/2 tsp. vanilla extract", "1 c. (1/2 pt.) Borden whipping cream, stiffly whipped"]
["Combine crumbs and margarine; press on bottom and up side to rim of lightly buttered 9-inch pie plate.", "Chill.", "In large mixer bowl, beat chocolate with sweetened condensed milk and vanilla until well blended.", "Chill 10 to 15 minutes.", "Fold in whipped cream.", "Pour into prepared crust.", "Freeze 6 hours or until firm. Garnish as desired.", "Freeze leftovers if any!"]
["creme-filled", "margarine", "semi-sweet chocolate chips", "condensed milk", "vanilla extract", "whipping cream"]