Heat oil in a pan and all the veggies in it. Let the onion, peas, beans, carrot and mushroom to saute first.
After 3-4 minutes when the veggies are well saute add half cup of semolina in the same pan and roast it with the vegetables on slow-to-medium heat.
When the semolina is well roasted add 2 and a half cup of water in it and mix well.
Then add salt to taste and a teaspoon of mixed herbs in the pan.
Now, cook all the veggies and semolina for another 5 minutes and after that switch off the heat of the pan.
When the heat is off then add 200 gms of boiled mashed potatoes in them and mix it in the pan.
Now add chopped green chillies, mint leaves and coriander leaves on it. Sprinkle some grated cheese in the mix and mix them well.
Now, lay butter paper on a flat surface and take out the mixture on it. Spread the mixture evenly with around ¾ of thickness.
After the sooji squares are well spread cover and refrigerate it for 30 mins.
After 30 minutes take them out of the refrigerator and cut into 1 and a half square inch.
The veggie squares are ready to fry.
Heat oil in a frying pan and when it starts to smoke carefully add the fries in it.
Shallow fry the veggie squares from all the sides and serve hot.