[header] How to make (flavored) suet cakes for birds [title] Melt down the fat. [step] Place the fat in a saucepan and put on the stove top on a low to medium heat. [substeps] Using an old saucepan is better because fat can be a pain to clean out. 
[title] Add the melted fat and peanut butter to the mixing bowl. [step] About two to three tablespoons of peanut butter should be sufficient but gauge this by the consistency.