Martha is just 17 years old but is already a whizz in the kitchen. Juggling baking with studying for her AS exams and course work, she is hoping to have a career in the food industry.
The teenager is just one of 12 contestants hoping to impress Mary Berry and Paul Hollywood this year, and we can't wait to see if she does.
TGBBO returns to BBC One on Wednesday 6 August, so why not check out all the series five bakers in our gallery below!
Copyright: BBC Love Productions/Mark Bourdillon