Ainsley Harriott creates dishes featuring green vegetables, starting with his chicken and spring vegetable casserole, and adds leaves to a mac and cheese to give it a green twist.

Ainsley Harriott celebrates everything the sea and the seaside has to offer, making harissa-crusted cod with a quick chickpea, spinach and tomato stew, a spicy crab salad, and chargrilled chilli-lime pineapple. Meanwhile, Joseph Denison Carey learns about the fascinating world of seaweed and goes on a surprising picnic.