Place a small frying pan over medium heat. When it is hot, tip in the seeds. Toast, stirring constantly with wooden spoon, until they start to turn brown and release a nutty aroma. Tip them onto a plate and leave to cool.
Spoon the yogurt into a glass pot or bowl, then scatter the seeds on top, followed by the orange zest. Sprinkle over the orange juice and serve immediately.
Top tip Prepare a larger quantity of the toasted seeds and store in a clean dry jar. Scatter over porridge, fruit, or even on salad for a healthy boost