Add ice cream, Nutella, and 2 tablespoons of milk to your blender and blend on high until smooth.
1 cup vanilla ice cream, ⅓ cup milk, ¼ cup Nutella or any other chocolate hazelnut spread
With blender on, continue to add milk slowly until desired consistency is achieved (you may not need all ⅓ cup!). Pour into a glass and garnish as desired. Serve cold.