Crust- combine all ingredients with a fork, then line the bottom and part way up the side of spring-form pan with crumb mixture. Bake in 350 degree oven for 10 minutes.

Filling- beat cream cheese on medium speed until creamy, gradually adding sugar. Then add vanilla, lemon juice and lemon rind and blend well. Slowly add eggs one at a time, mixing well after each addition. Beat at medium speed 10 minutes (no less) until fluffy. Pour filling into crust lined pan and bake at 300 degrees for 1-1/2 hours. Check occasionally during the last half hour to see if it is set and no longer runny. when it it no longer runny is done. Leave oven door open while making the topping.

Topping- combine sour cream, sugar and vanilla, whip for 10 minutes at high speed, until foamy. Put on top of baked cheesecake and bake at 250 degrees for ten minutes. Turn off oven and let cake sit in the oven with the door open for 1 to 2 hours. Chills thoroughly before serving.