Mix dry ingredients in a large bowl.

Melt shortening in the microwave and then add peanut butter, stirring until blended.

Pour wet mixture over dry ingredients and mix well.

Pat into a baking pan lined with plastic wrap. (11 in x 9 in pan or 9 in x 9 in for thicker)

Refrigerate for a few hours.

Lift out and slice into pieces that will fit in your suet feeder.