Combine shortening and sugar; blend until smooth. Add one egg plus one yolk, milk and vanilla. Sift together flour, baking powder and salt; sitr into shortening mixture until smooth. Fill paper-lined muffin cups 1/2 fulll; set aside. Beat remaining egg white with an electric mixer at high speed until stiff peaks form. Add brown sugar and cocoa; beat until well blended. Spoon a generous teaspoonful over each cupcake; sprinkle with nuts. Bake at 350 degrees for 20 minutes. After baking, color in Halloween Cake Pokes, adhere toothpick to the back and place in cupcakes.