Mix together bread crumbs and flour, baking powder and salt in a small bowl. Beat egg yolks and sugar until creamy. Add dry ingredients to the egg mixture. Add walnuts and vanilla. Fold in beaten egg whites. Bake in a large sheet pan, well greased for ten minutes at 350. While still hot roll in a towel and let cool. Fill and roll and refrigerate. For Cream Filling: Take one package vanilla pudding combine with 1 cup milk and cook until thick, then cool. Take oleo, shortening and powdered sugar and beat with mixer until creamy and fluffy. Add vanilla mixture to shortening mixture plus one teaspoon vanilla extract and mix together until smooth & creamy.
