Heat a non stick pan or a big griddle .
Add a tsp of oil .
Add onions , sauté for a minute .
Add capsicum and sauté again .
Add the cauliflower and sauté .
Now add the boiled mashed potatoes .
Immediately add the boiled peas .
Add garlic paste .
Sprinkle a few drops of water, so the vegetables remain moist .
Add chopped tomatoes and start mashing the vegetables with a potato masher .
Once all the vegetables are mashed add turmeric powder , chilly powder, pavbhaji masala , coriander powder , black salt and salt .
Mix well .
Now add cooked Khichadi to this mix .
Mash it again till all the rice is mashed up and you have the perfect consistency for a Khichadi .
Transfer to a serving bowl .
Garnish lavishly with a slice of butter .
Sprinkle some cashews and coriander leaves .
Serve hot !
Enjoy the Tawa mishmash !
Serve with papad choori .