Preheat the oven to 350°F (175°C)
Spread filberts in a single layer on a baking sheet
Roast for 10 to 15 minutes
Stir or shake the pan once halfway through
Watch closely near the end to prevent burning
Remove when the nuts are fragrant and lightly browned
Let cool completely before using or storing
Rub in a towel if you want to remove some of the skins