Ingredients:

White bread slices

For filling:
boiled and smashed potatoes + salt + pepper + a pinch of garam masala powder
green chutney - grind a handful of coriander leaves with equal amount of mint leaves with salt, 1 clove of garlic, 1/2 tsp lemon juice, green chilli. (instead of adding water while grinding, i add a table spoon of olive oil)
sliced veges like cucumber, onion, tomatoes.

Method:

Apply green chutney on one bread.
On the other bread, layer mashed potatoes-garam masala mixture and raw veges.
Place one bread (with green chutney) on top of the other bread (with potatoes and veges).
Cut into two and serve.
It is optional to toast the bread lightly.

Recipe courtesy: Indian Vegetarian Kitchen
http://spicesetc.blogspot.com/