Twiglets were invented in 1929 by a French biscuit maker named J. Rondalin who added brewer 's yeast to a leftover batch of Vitawheat dough .
J. Rondalin is a technical manager at Peek Freans ' Bermondsey factory .
Twiglets were invented in 1929 by a French biscuit maker named J. Rondalin , a technical manager at Peek Freans ' Bermondsey factory , who added brewer 's yeast to a leftover batch of Vitawheat dough .