In a small bowl, whisk together the eggs and milk.
Season with salt and pepper. Mix well.
Melt butter in a non-stick pan over medium heat. Add chicken, green onion and green chili. Cook and stir for 1-2 minutes then pour egg mixture over it.
As eggs set at the edges, with spatula, gently lift cooked portion to allow uncooked egg to flow underneath.
Cook on low flame for 2 minutes or until almost set.
Sprinkle cheese on half of the omelette.
Fold other half over cheese.
Remove from the heat and transfer into a platter.
Cut omelette in half. Spicy Chicken Omelette is ready to serve. ENJOY!!