Classic unsweetened chocolate brownies

My sister has a lot of friends, and that really makes me happy – I would never wish on her the lonely teenage years I had; some of her friends know I have a food blog and a couple of them read me from time to time.

A while ago I gave my sister and one of her friends a lift somewhere – the girl entered the car, my sister introduced us and then she very bluntly said: “I would love to have a