Add the mashed potatoes, green peas, chilies, ginger, lemon juice, chaat masala, coriander leaves, red chile powder, cashews, and salt to taste and mix well.
3 Potatoes, ¼ cup Green peas, 2 Green chilies, 1 inch ginger, 1 teaspoon Lemon juice, 1 teaspoon Chaat masala, 1 tablespoon Coriander leaves, ½ teaspoon Red chile powder, 1 tablespoon Cashews, Salt