It's not btw. You might as well eat sugar straight out of the bowl.
Flapjack isn't a healthy snack. It's a very nice treat or pudding. Just because it has oats in doesn't magically take away the sugar and the golden syrup crap. Stop giving it to your dc thinking it's better then cake. It's not.
Most flapjack is made by melting a block of butter, mixing in sugar adding oats and then a ton of golden syrup. The oats do not make it healthy. Making it at home so you can call it homemade doesn't make it healthy.
I'm really surprised how many MNetters think it's a good healthy snack to give to their dc. Rant over.