Take 2 tomatoes. Slice them in 6 parts, after slicing remove centre part and keep aside.
Mash potatoes, mix salt and other dry spices.
Now mix 1 tbsp of maida in mashed potatoes.
Now make chaat of chole, onions, tomatoes and cucumber.Saute them for 3-4 minutes to have crunchy tasty.
Mix chaat masala and tamarind chutney.
Fill mashed potato batter in tomato rings and roast it on medium flame on non stick tawa.After one side is cooked, flip on other side.till golden brown.