Cheesy Ham Omelette

Directions

1. 1
   Beat egg whites to soft peaks. Combine egg yolks, Parmesan and 1/2 the chives in another large bowl. Gently fold whites into yolk mixture.
2. 2
   Combine ham and Gruyere in medium bowl.
3. 3
   Heat 1/2 tbsp butter in a small frying pan. Add 1/4 egg mixture to pan and sprinkle with 1/4 ham mixture. Cook over medium heat until mixture is almost set. Fold omelette in 1/2 then transfer to a plate and cover to keep warm. Repeat to make 3 more omelettes.
4. 4
   Serve omelettes sprinkled with remaining chives.