Ingredients: 4 slices of white bread 2 big size boiled potatoes ¾ tsp Red chilly powder ¼ tsp Mango powder 1/2 tsp grated ginger 2 pieces of green chilly ¼ tsp Garam masala ¼ tsp Cumin powder Freshly chopped Coriander leaves Salt to taste 1 tsp Oil 1 cup yogurt For Tempering: ½ tsp oil