This is a misnomer. There is no muri in this toast but is so called as the moori valas in Kolkata serve this.
4 sliced bread
1 Boiled potato
1 tomato sliced
1/2 cucumber sliced
1 tbsp tamarind sauce
1/2 tbsp tomato sauce
1 tsp chaat masala
1 tsp salt
1/2 Red chilly powder
1/2 tsp black salt
1 tsp cumin powder
Some chanachur or bhujia
Take a small bowl and mix salt,chilly powder, black salt,cumin seed powder.
Take another bowl ,mix tomato sauce and tamarind sauce.
Take the bread slices. Cut each slice into 4 pieces.
Now spread the sauce mix on each bread slice.
Place a slice of potato, sprinkle the masala mix made just now.
Place a clice of cucumber, spread the suace mix.
Place a slice of tomato , sprkinkle the masala over it.
If you have some chanachur or bhujia sprinkle over it.
Sprinkle the masala over it and place one drop of sauce mix over each slice.