Whisk eggs and add crushed red chilli, salt and food color. Pour mixture in a pan to make omelet. When ready; fold edges of omelet inwards into a square patty, and heat both sides to secure shape.
Fry K&N's Burger Patties as per instructions on pack.
Trim crust of bread slices and spread mayonnaise. Assemble sandwich by stacking potato filling, a slice of cheddar cheese, omelet, another slice of bread, lettuce, fried Burger Patty, another slice of cheese and finally top with a bread slice.
Melt butter in grilling pan and grill both sides of sandwich.
Secure shape with food picks and serve warm.
Take mashed potatoes and add salt, crushed red chilli, white pepper powder, chilli sauce, coriander, carrot and cucumber. Mix all and set aside.