Grandma'S Cheesecake - cooking recipe

Ingredients

1/4 c. margarine
1 c. graham cracker crumbs (16 crackers)
1 tsp. cream of tartar
6 eggs, separated
19 oz. cream cheese
3 Tbsp. flour (plain)
1/2 tsp. salt
1 pt. sour cream
1 tsp. vanilla
1 1/2 c. plus 3 Tbsp. sugar

Preparation

Beat egg whites, 3 tablespoons sugar and cream of tartar until stiff.
Set aside.
Beat cream cheese until soft.
Add 1 1/2 cups sugar, 3 tablespoons flour and 1/2 teaspoon salt.
Add egg yolks one at a time.
Add sour cream and vanilla.
Fold in egg whites. Melt margarine and add to cracker crumbs.
Put 3/4 of crumbs in greased and floured spring-form pan.
Add cheese mixture.
Put remaining crumbs on top.
Bake 1 1/4 hours at 325\u00b0.