Uncle Vernon said sharply, “Don't touch anything he gives you, Dudley.”
The giant chuckled darkly.
“Yer great puddin’ of a son don’ need fattenin’ anymore, Dursley, don’ worry."
He passed the sausages to Harry, who was so hungry he had never tasted anything so wonderful, but he still couldn’t take his eyes off the giant. Finally, as nobody seemed about to explain anything, he said, “I’m sorry, but I still don’t really know who you are.”
(Harry Potter and the Sorcerer's Stone)