This dish originates from Mozambique with a little bit of Portuguese colonial influence thrown in as well. The African birdseye chilli - known as piri piri, peri peri or sometimes pili pili (the name literally means ‘chilli chilli’ in Swahili) - may be small and look innocent but can be extremely potent! It’s up to you how many chillies you add to your sauce in this recipe - adding just one gives a lovely flavour with only a touch of heat, but adding all of them is for chilli fanatics only!