Chocolate Cheesecake
["1 1/2 c. graham cracker crumbs", "2 Tbsp. sugar", "1/3 c. margarine, melted", "2 (8 oz.) pkg. cream cheese", "1 1/4 c. sugar", "1/3 c. unsweetened cocoa powder", "1 tsp. vanilla", "2 eggs", "1 c. sour cream", "2 Tbsp. sugar", "1/2 tsp. vanilla"]
["Combine crumbs, two tablespoons sugar and margarine.", "Press on bottom and up sides of 8-inch spring-form pan.", "Preheat oven to 375\u00b0."]
["graham cracker crumbs", "sugar", "margarine", "cream cheese", "sugar", "cocoa", "vanilla", "eggs", "sour cream", "sugar", "vanilla"]