Now, to the sauteed onion mixture, add the mashed potatoes, cooked veggies, mint leaves, coriander leaves, red chilli powder, jeera powder, garam masala powder, salt, food color, amchur powder, 2 Tbsp of bread crumbs. Dip the bread slice in water, squeeze nicely until all of the excess water is removed. Add it to the mixing bowl. Now, mix all the ingredients until well combined taking care not to mash the veggies.