Always spread the chicken nuggets out so that they heat can circulate well around the chicken nugget. If they are too close together, then they will simply steam and they will not be crispy.
Apply a thin coat of oil to each chicken nugget as well as a few spices and salt and pepper. This will result in a crispy and tasty crunch for your chicken nugget.
Buy the best quality chicken nuggets you can afford, these will always taste the best.
A shiny and nice quality pan makes the nicest browning surface for your chicken nuggets. You can achieve the shiny surface by using the shiny side of aluminum foil. This makes clean up a cinch as well!