–3 eggs - 100 g (3,5 oz) spinach - 50 g (1,8 oz) feta - 30 ml (2 tbsp.) heavy cream (33%+) - 25 g (0,9 oz) butter
Whisk the eggs in a bowl. Season with salt and pepper. Add cream or milk for better texture and whisk well.
Melt butter in a frying pan, add half the spinach and stir-fry for a minute. Pour egg mixture into skillet, add remaining spinach leaves and cook for 2 minutes. Sprinkle feta cheese over the omelet.
Fold the edges of the omelet toward the center. Cover the pan, turn off the heat and let the omelet cook for another 30 seconds. Transfer omelet to a plate, cut in half and garnish with spinach leaves. Drizzle with olive oil and sprinkle feta cheese on top.