Edward Lear - Limerick: There was an old man of Tobago

There was an old man of Tobago,
Who lived on rice, gruel and sago
Till, much to his bliss,
His physician said this -
To a leg, sir, of mutton you may go.

Edward Lear

http://www.poemhunter.com/poem/limerick-there-was-an-old-man-of-tobago/