1. Preheat oven to 180°C (350°F) and coat 12 muffin tins with cooking spray.
2. Whisk the eggs, milk, and orange zest in a bowl. Add the salmon, leeks, cheese, and chives. Season with salt and pepper to taste.
3. Divide the egg mixture evenly between the muffin tins and bake for 20 minutes. Let cool for 5 minutes before removing them from the pan.

Chef’s secret

Use paper baking cups to make cleanup even easier.

Nutrition tip

Brown eggs or white eggs? In terms of taste and nutritional value, there’s actually no difference! Egg shell colour is determined by the breed of the hen.