Nun'S Cake

Directions

1. 1
   Sift flour once, measure. Add baking powder and salt and sift three times.
2. 2
   Cream shortening, gradually adding sugar. Cream thoroughly.
3. 3
   Add egg yolks and unbeaten egg whites. Beat 1 minute. Combine flour mixture and milk alternately with creamed mixture.
4. 4
   Beat very well. Add flavoring.
5. 5
   Pour into greased springform pan with tube inset.
6. 6
   Bake 1 hour and 20 minutes in moderate oven, 325 to 350 degrees.
7. 7
   To remove cake, push down on tapered clamp and release spring rim.