In a small bowl, combine the pork, maple syrup, onion powder, salt, sage, black pepper, red-pepper flakes, and nutmeg.
With hands or a fork, mix to blend well.
On a sheet of waxed paper, divide the mixture into 4 equal portions.
Shape each portion into a 4" patty.
Place in a plastic container lined with waxed paper.
Cover and refrigerate for up to 3 days.
