Heat non stick pan,greese with butter,roaste the 2 bread slices on slow flame for 1 minute from both sides. Take it down.

Now spread green chutney on one side of 1 slice,spread tomato sauce on another side.

Now spread a layer of potato Sabji evenly on one slice.Put another slice over it,and press it.

Now roast the sandwich on non stick pan with spreading butter from both sides till it becomes crispy.

Now cut the roasted sandwich in triangular shape