Heat oil or butter in a tawa. Break the egg over it.
Season with salt, pepper and chilly flakes and fry for 2-3 mins. Flip over and fry for about 2 mins. Remove from heat.
Slice the burger bun into two. Apply butter on both side. (You can slightly toss the bun if you wish to)
Lay one ice berg lettuce and over that lay the fried egg.
Spread the tomato ketchup over the egg followed by Mayonnaise.
Lay the cheese slice and lay the ice berg lettuce over it.
Cover it with the other half bun and serve.