A Girl Called Jack is the pen name of a cash-strapped single mother who's causing a stir with her delicious – and super-cheap – recipes online. Jack Monroe, 24, is a single mother whose delicious recipes, published online, are so nutritious and thrifty that they are being handed out by food banks as examples of how to manage on next to nothing. Her blog, A Girl Called Jack, has gathered 16,000 regular readers. She has a budget of just £10 a week to feed herself and her two-year-old son, Johnny – all she has to spare after covering rent and bills. It makes the fiver I'm allowed for my weekly budget recipe in this newspaper look indulgent.