Add:

Beat egg whites to soft peak. Add 1/2 cup sugar. Add gradually and continue to beat until stiff. Roll 1 ball of dough at a time on a pastry cloth that has powdered sugar on it. Be generous with powdered sugar. Spread 1/3 of egg white mixture on dough and sprinkle with chopped nuts. Cut into pie shaped wedges (10) and roll up starting at the wide end. Bake at 350 degrees for 20-25 minutes. Repeat with other balls of dough.