1.   Beat egg and add to butter mixture.

2.   Add to butter mixture, beating well.

3.   Add to butter mixture in several additions, mixing well after each addition.

4.   Add to butter mixture slowly.

5.   Add to butter mixture.

6.   Combine egg whites and cornstarch mixture and add to butter mixture and cook, stirring, until boiling.

7.   In a separate bowl, combine flour, oats, salt and cinnamon and add to butter mixture in two stages, blending well.

8.   Sift together flour, baking soda, salt and cocoa, then add to butter mixture, stirring until thoroughly combined.

9.   Sift dry ingredients together and add to butter mixture.

10.   Sift flour with baking powder and salt and slowly add to butter mixture.