German Chocolate Cheesecake
["1 1/4 c. chocolate wafers or cracker crumbs (18)", "2 Tbsp. sugar", "3 Tbsp. margarine, melted", "2 (8 oz.) + 1 (3 oz.) pkg. cream cheese", "1 c. sugar", "1/4 c. cocoa", "2 tsp. vanilla", "3 eggs"]
["Press evenly into ungreased pan first 3 ingredients.", "Bake at 350\u00b0 for 10 minutes.", "Beat cream cheese in 3-quart bowl.", "Add sugar and cocoa gradually.", "Beat in eggs, one at a time.", "Pour in vanilla.", "Pour into spring-form pan.", "Bake at 300\u00b0 until center is firm, about 1 hour.", "Cover and refrigerate for 3 hours.", "Prepare topping.", "Spread over cake; loosen sides and remove."]
["chocolate wafers", "sugar", "margarine", "+", "sugar", "cocoa", "vanilla", "eggs"]