Where does the following quote come from Woe betide thee Molly Guppy?

From an old children's story recorded for a radio audience, was it 'The goose that laid the golden egg?' Anyway, Molly Woppy had escaped from the giant's trap but he was chasing her...

NARRATOR: And he ran and she ran and he ran and she ran, 'til they came to the bridge of the single hair. Molly, she could cross over it, but the giant - he could not!

As her watched her getting away the giant called out, 'Woe betide thee, Molly Woppy, if ye e'r return again!'