If you are using the suet basket you can easily make a mold to create a square suet block that fits perfectly inside. Line the inside of the basket with aluminum foil, double the layer (make sure it doesn't leak through), and set aside while you prepare the filling.
Melt lard and peanut butter over medium heat in a small saucepan.
Remove from heat and stir in cornmeal, birdseed, and dried fruit.
Pour quickly into your “mold”, you can also use small paper cups, a squat wide-mouth mason jar, or a mini bundt/doughnut pan to create a ring that you can hang on a string.
Pop your suet block into the freezer until it is solidified.
Remove from freezer, peel off aluminum foil, and place block inside the basket.
Hang in a shady spot after the cool weather hits, summer temps will melt your block.