Assemble ingredients

In moderately heated pan add oil, add ginger + green chilli and sauté for few seconds, then add carrot + Beetroot + capsicum + green chilli and sauté for 4-5 minutes by covering.

Add Garam Masala + salt, sprinkle little water and sauté for 3-4 minutes till veggies turn soft.

Discard green chilli and allow to cool. Mash boiled potatoes, then add the cooked veggies to mashed potato, add chat masala + salt as required and mix well.

Take bread slices and discard the edges.

Apply butter on any one side of each bread slice.
Spread a thick layer of mix vegetable filling keeping buttered side outwards. Cover it with another bread slice keeping buttered side outwards and give a gentle press.

Put pan / tawa on low flame, add a small cube of butter and allow to melt, place bread slice, add little butter around the sides for better toasting and toast for around 2 minutes. Flip and toast the other side too.
Alternatively it can be toasted in sandwich maker which takes a minute or two.
Sandwich is done, cut diagonally and serve hot hot.

Pair with green Chutney or tomato ketchup and enjoy.