Cheesecake - cooking recipe

Ingredients

4 eggs
2 tsp. vanilla, separated
1 tsp. cinnamon
1 pt. sour cream
1 1/4 lb. cream cheese or 2 1/2 (8 oz.) pkg., softened
1 1/2 c. sugar
1/2 pkg. zwieback
1/4 c. margarine
1/2 c. sugar

Preparation

Cream together eggs and 1 1/2 cups sugar.
Then add softened cream cheese and 1 teaspoon vanilla.
Beat 20 minutes at medium speed in Mixmaster.
This is important.
While beating, roll 1/2 package zwieback into crumbs.
Add 1 teaspoon cinnamon.
Butter bottom and sides of 9-inch spring-form pan and dust lightly with crumbs.
Add 1/4 cup margarine to the remaining crumb mixture and moisten.
Press into bottom only to about 1/4-inch thickness. Pour cream cheese mixture into pan and bake 35 minutes, without looking!!!
This is also very important.
Bake in 350\u00b0 oven.