In a mixing bowl, add rava and sour buttermilk gradually to make thick and pouring consistency of the batter.
Then spread 1 tbsp curd on the batter and Cover and rest the batter for 30 minutes.
Rava soaked properly and the batter becomes fluffy.
Now in a tadka pan, add oil, hing, mustard seeds, chana dal, and methi leaves. sauté till dal is slightly golden brown.
Then switch off the gas, and add white sesame seeds and curry leaves. sauté it.
Now add hot tempering to the batter.
Then add green chili paste, ginger-garlic paste, turmeric powder, red chili powder, salt, black pepper, sugar, crushed peanut, grated lauki, capsicum, grated carrot, boiled green peas, boiled corn, and coriander leaves. mix well.
Handva batter is ready. divide it into two parts.
In one part, Add baking soda and lemon juice on it. Mix well.
In a kadai, add oil, mustard seeds, cumin seeds, sesame seeds, curry leaves, dry red chili and a pinch of hing. Sauté it.
Pour handva batter in the centre of kadai. Cover and cook handvo for 12-15 minutes on low-medium flame.
Flip another side and again cook handvo for 5-7 minutes till it becomes crispy from both sides.
In the same way, you can make hadvo into the pan.
Cut into the desired shape. Serve with crispy handvo with green chutney.