Classic Egg White Omelette with Spinach & Feta
A light, protein-packed omelette that comes together in ten minutes. The trick to keeping it tender is low heat and a gentle fold.

Egg white omelettes carry a diet-food reputation that isn't entirely fair. Made properly, they're soft and custardy rather than the rubbery pucks found at hotel buffets, and the technique is simple enough to master quickly.
Two things matter: keep the heat low and don't crowd the pan with too much filling. That's it. Anyone already familiar with the ten-minute shakshuka will find this approach familiar.
Ingredients
- 4 large egg whites (about ½ cup / 120ml)
- Pinch of salt
- Pinch of black pepper
- 1 teaspoon olive oil or butter
- Big handful (about 30g) baby spinach
- 2 tablespoons crumbled feta
- Small pinch of dried oregano
Instructions
- Whisk the egg whites with the salt and pepper until foamy on top — 30 seconds by hand is enough.
- Warm a non-stick 8-inch skillet over low-medium heat. Add the oil, then the spinach and cook for 30 seconds until just wilted. Lift it out.
- Pour the whites into the same pan. Let them sit undisturbed for 30 seconds, then use a spatula to pull the set edges inward, tilting the pan so raw white runs to fill the space.
- When the surface is almost set, scatter the spinach, feta and oregano across one half.
- Fold the empty half over the filling and slide onto a plate. Eat immediately.
Cooking tips
- Low heat is non-negotiable — egg whites turn tough the second they brown.
- A good non-stick pan matters here more than in almost any other recipe.
- For extra richness, whisk one whole egg into the whites. Still light, but more flavour.
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