The BFG (short for "Big Friendly Giant") is a childrens book written by Roald Dahl and illustrated by Quentin Blake, first published in 1982. Description from imgarcade.com. I searched for this on bing.com/images
Frobscottle! "It tasted of vanilla and cream with just the faintest trace of raspberries on the edge of the flavour. And the bubbles were wonderful. Sophie could actually feel them bouncing and bursting all around her tummy. It was an amazing sensation."