Chilli oil is perfect to give as a homemade edible present for use in salad dressings, stir-fries or on pizzas. Make in small amounts, though, as it doesn't keep for long! Gently warm the olive ...

Homemade chilli oil must be stored in the fridge and used within a week of making. Commercially produced chilli oils are heated to high temperatures which kill any bacteria and so they can be ...