1. Preheat oven to 275°.
2. Place hazelnuts on a jelly-roll pan. Bake at 275° for 20 minutes, stirring once. Turn nuts out onto a towel. Roll up towel; rub off skins. Let cool completely.
3. Place hazelnuts in a food processor; process 2 minutes or until a paste forms. Scrape mixture into a clean container with a rubber spatula; cover with lid and store in an airtight container in the refrigerator for up to 2 months.