Combine PB2, coconut oil and syrup. Smooth a little bit of this peanut butter mixture into 8 candy cups using a spoon to get the sides of the cups and bottoms.
Pop in freezer 5 mins.
Divide chocolate into each cup and return to freezer 5 mins.
Use rest of the peanut butter mixture to spread over the chocolate and return to freezer 5 more minutes.
Store in fridge.