The secret ingredient that adds a nutty flavor to our Classic Truffles? Lightly browned hazelnuts and Nutella.
Preheat oven to 375 degrees. Spread hazelnuts on a rimmedbaking sheet; toast until lightly brownedand skins crack, 5 to 7 minutes. Whilestill warm, rub hazelnuts with a kitchentowel to remove as much skin as possible. Let cool, and chop very finely.
In a small saucepan, bring cream, butter, and corn syrup to a full boil overmedium heat. Turn off heat. Add 1 poundchocolate; gently swirl pan to coverchocolate with cream, but do not stir. Let stand, undisturbed, 5 minutes. Stir inNutella.
Slowly whisk until combined. Transfer mixture to a large bowl; refrigerate,stirring every 15 minutes.
After 45 minutes, mixture will thickenquickly, so stir every 3 to 5 minutes untilthick enough to scoop, 10 to 20 minutesmore. Using two spoons or a small ice-cream scoop, form into 1-inch balls; transfer to a parchment-lined baking sheet.
Chill until firm, but not hard, about 10minutes. Remove from refrigerator; rollin palms to form a ball, and press gentlywith fingers to create irregular shapes.Chill until ready to dip, up to 1 week.Place remaining 12 ounces chocolate ina heatproof bowl over a pan of simmeringwater; stir occasionally until chocolatemelts. Remove from heat; cool slightly.
Place nuts in a small bowl. Removecenters from refrigerator. Using onehand, dip one center into melted chocolate, then roll around in your hand tocoat evenly, letting excess drip back intopan. Place truffle in nuts. With yourclean hand, cover truffle with nuts. Letsit in bowl 20 seconds.
Lift out, and set on a parchment-linedbaking sheet. Repeat with remainingtruffles. If your kitchen is warm, refrigerate 5 minutes to set. You can storetruffles in airtight containers up to 1week at a cool room temperature.