Sieve the besan into a mixing bowl.
Add all the chopped vegetables, coriander, spices and salt.
Add water gradually and mix to make a thick, spreadable mixture.
Add baking soda and lemon juice and mix gently.
Spread the mixture evenly over one side of each bread slice.
Sprinkle sesame seeds over the mixture.
Heat a pan and add 1 teaspoon oil.
Place the bread with the coated side facing down.
Spread besan mixture over the other side and sprinkle sesame seeds.
Cover and cook for about 5 minutes.
Add a little oil, flip and cook for another 2–3 minutes.
Turn the bread onto its sides briefly so the edges cook properly.
Cut into two pieces and serve hot.