2. Make the Egg Mixture
- In a medium bowl, whisk the eggs until smooth.
- Add the milk, salt, and black pepper; whisk again.
- Stir in the chopped spinach and feta.
3. Fill the Muffin Tin
- Divide the egg mixture evenly among the muffin cups, filling each about ¾ full.
4. Bake
- Bake for 18–22 minutes, or until the muffins are set and the tops are lightly golden.
- Remove from the oven and let them cool for 5–10 minutes before taking them out of the pan.