Creamy Chocolate Cheese Cake
["1 c. graham cracker crumbs", "3 Tbsp. sugar", "3 Tbsp. melted margarine", "2 (8 oz.) pkg. cream cheese", "1/3 c. cocoa", "3/4 c. sugar", "1 tsp. vanilla", "2 eggs", "1 c. sour cream", "2 Tbsp. sugar", "1 tsp. vanilla"]
["Crust:", "Mix together first 3 ingredients and press into greased round or square pan."]
["graham cracker crumbs", "sugar", "margarine", "cream cheese", "cocoa", "sugar", "vanilla", "eggs", "sour cream", "sugar", "vanilla"]