Add all ingredients to the food processor except the whole hazelnuts and pulse until it forms a dough like consistency. You should be to squeeze the dough easily to form a ball which stays together well.
Using a heaped tablespoon of mixture make into balls. Push your finger into the ball, pop in the whole hazelnut then reshape the ball.
Place in an airtight container in the fridge and let set for 2 hours.
Notes:
These can be stored in the freezer. Simply take out 10-15 minutes before you wish to eat them.
Recipe by Planning With Kids at https://planningwithkids.com/2017/12/21/hazelnut-surprise-bliss-balls/