Peanut Butter Chiffon Pie
["3/4 c. finely crushed pretzel crumbs", "3 Tbsp. sugar", "6 Tbsp. butter, melted", "1 envelope unflavored gelatin", "1/4 c. sugar", "1/4 tsp. salt", "1 c. milk", "2 egg yolks, slightly beaten", "1/2 c. creamy peanut butter", "2 egg whites", "1/4 c. sugar", "2 c. Cool Whip (one 4 1/2 oz. container)"]
["Combine crumbs, 3 tablespoons sugar and butter; press firmly into 9-inch pie pan.", "Bake at 350\u00b0 for 8 minutes.", "Cool.", "Mix gelatin, 1/4 cup sugar and the salt in saucepan.", "Add milk and yolks; cook and stir over medium heat until mixture comes to a boil.", "Add peanut butter; stir until blended.", "Chill.", "Beat whites until foamy.", "Gradually add 1/4 cup sugar, beating until stiff. Fold in peanut butter mixture, then fold in Cool Whip.", "Spoon into crust.", "Chill until firm (2 or 3 hours).", "Garnish with chocolate syrup."]
["pretzel crumbs", "sugar", "butter", "unflavored gelatin", "sugar", "salt", "milk", "egg yolks", "peanut butter", "egg whites", "sugar"]