Heat 1 tbsp of cooking oil in a pan. Put ½ cup each of finely chopped pieces of onions, carrots, green capsicum, and long beans (borboti) in it. Fry in high heat until soft.
Add 1 tsp of dry red chili powder and ½ tsp each of cumin powder, garam masala powder, and chili flakes. Also, put 1 cup of boiled, peeled, and mashed potatoes and regular table salt to taste.
Mix them nicely. Cook for 2 minutes. Transfer it to a plate. Spread it and keep it aside to cool.
Take a bit of vegetable mixture in your hand. Make the base of the patty.
Put 1 tbsp of grated mozzarella cheese.
Take some more vegetable mixture and complete the patty.
Now, take ¼ cup of refined wheat flour (maida) in a separate bowl. Add a pinch of salt and water as required. Make a smooth batter.
Take an adequate amount of bread crumbs on a separate plate.
Dip the patty in batter. Coat it nicely.
Put it in bread crumbs. Coat it. Repeat the steps to make all the patties. Refrigerate them for 10 minutes so that everything sets properly. Do not put them in the freezer.
Heat an adequate amount of cooking oil. Put each veg patty carefully in it.
Flip and fry them on a medium flame. Remove when golden brown.
Take a burger bun. Cut it in half.
Apply 2 tsp of tomato sauce on both. Follow it with 1 tbsp of mayonnaise.
Then put 2 pieces of lettuce leaves on one. This is however optional. Followed by two circular pieces of fresh tomatoes and cucumber.
Put the veg patty on it. Put a cheese slice. This is also optional.
Place the other half of the bread. Your homemade vegetable burger is now ready to eat. Place it on a plate and serve it with a few tomato slices and fresh lettuce leaves alongside.