Spread butter on the both slice of breads.

Spread chutney on slice and ketchup on the other slice.

Put potato, cucumber, onion, and tomato on one slice and cover with the other slice.

Toast in on the pan if prefer hot/warm.

Put chutney/ketchup on the top of the sandwich.

Cut in [/] (2 pieces diagonally) or [+] (4 pieces).

Enjoy.