Beat the eggs

• Crack the eggs into a bowl and whisk until smooth.
• Season with salt and black pepper.

Wilt the spinach

• Melt the butter in a frying pan over medium heat.
• Add the spinach and cook until just wilted.

Cook the omelette

• Pour the beaten eggs over the spinach and spread evenly.
• Cook over medium-low heat until the edges set and the centre is almost firm.
• Fold the omelette in half and slide it onto a plate.