“In the morning, as they were beginning to pack their slender goods, Elves that could speak their tongue came to them and brought them many gifts of food and clothing for the journey. The food was mostly in the form of very thin cakes, made of a meal that was baked a light brown on the outside, and inside was the colour of cream. Gimli took up one of the cakes and looked at it with a doubtful eye.
“Cram,” he said under his breath, as he broke off a crisp corner and nibbled it. His expression quickly changed, and he ate all the rest of the cake with relish.
“No more, no more!” cried the Elves, laughing. “You have eaten enough already for a long days march.”
“I though it was a kind of cram, such as the Dale-men make for journeys in the wild,” said the Dwarf.
“So it is,” they answered, “But we call it lembas or waybread….”
The Fellowship of the Ring, Book II