Peel and cut the potatoes into chunks and boil them in a saucepan on high heat. Cool, mash the potatoes and keep them aside.
Roast the ginger-garlic in another pan along with the onions till the onions turn golden brown in color.
Mix together the onion-ginger-garlic mixture and the potatoes together with the pavbhaji masala, lemon juice and the frozen vegetables.
Add in the AP flour and make sure all the ingredients are well-mixed and thoroughly incorporated together.
Scoop about a 1/3rd cup of the mixture onto the center of the waffle iron and let it cook for about 3-5 minutes on a high setting till golden brown on the outside..
Once cooked let the waffles sit for a couple of minutes and then enjoy.