After devising a nutritionally balanced training menu with peak performance in mind, she gained boundless energy and a better ability to focus, both on and off the track. Here she reveals the recipes that helped her reach her professional goals. Everything is intertwined.

Cooking and eating well are vital for a happy, healthy life, and what you put into your body determines how you live and feel. So get ready to discover Derval's theory for yourself: goodness in = greatness out. Eat like an athlete; perform for your life.

'I'm so impressed with the taste of Derval's dishes - they're really fabulous and I can see how healthy and energy-giving they are' Rachel Allen