Treehugger / Hilary Allison Studying leaf shape and the arrangement of leaves on a stem is the most common way of identifying a tree in the field during the growing season. The novice taxonomist ...

Add the chilli flakes and cook for 1 more minute. Drain the spaghetti lightly, then add to the frying pan with the water still clinging to it. Mix to coat with the oil.

Reduce the heat to medium. Add the remaining oil, the rest of the garlic and the chilli. Fry for 2 minutes. Add the tomato purée and chopped tomatoes, bring to the boil, then reduce the heat to a ...