Place a thin layer of coconut into a cast iron pan over medium to medium low heat. Stir continually until golden brown, 5-10 minutes. Remove from cast iron pan to a plate or baking sheet to cool.
Microwave Method
Place a thin layer of coconut on a microwave safe plate or dish and microwave on high in 30 seconds increments. Stir after each 30 seconds. Continue until golden brown.
Oven Method
Place a thin layer of coconut on a baking sheet and bake in a 325 degrees F. oven for 5-10 minutes, stirring several times. Bake until golden brown.