Heat oven to 400° F. Lightly grease 12 regular-size muffin cups with shortening and lightly flour. In medium bowl, combine chocolate chips and oil. Microwave uncovered on High 1 to 2 minutes, stirring every 30 seconds, until mixture is melted and smooth. Stir in 1 cup powdered sugar and the egg product with wire whisk until blended. Stir in hazelnut spread and flour. Spoon batter into muffin cups, filling each about 3/4 full.