If you regularly make dosa or idli batter at home, you already know the ratio of rice and lentils (urad dal) that works for you. If you are still experimenting, this article will help. Typically, there are two ratios for rice and lentils in dosa batter – 2:1 (two parts rice, 1 part lentils) and 3:1.
Related: 10 Ways To Ferment Dosa Batter During Winter
The ratio of 2:1 makes softer dosa that can be broken like bread, and the ratio of 3:1 makes crispier dosa that crumbles. Restaurants prefer to use the 3:1 ratio because using more rice than lentils saves money, though some restaurants may still use the 2:1 ratio.
For restaurants, there is another relevant factor. Masala dosa (dosa with potato filling) is good when it is crispy. That means a restaurant where customers order masala dosa more often will usually prepare the batter in the 3:1 ratio. On the other hand, a restaurant that sells more of the plain or set dosa will likely use the 2:1 ratio of rice and lentils.
Which Ratio To Use At Home?
At home, the ideal ratio is 2:1 because it reduces the possibility of the batter not fermenting properly. And if you wish to make both plain and masala dosa with the same batter, a workaround allows you to do that. For masala dosa, spread the batter really thin, and for plain dosa, not so thin.
Another clarification is called for here. A good South Indian restaurant will not use only one type of batter for making both dosa and idli. Their batter for dosa will contain a mix of urad dal and rice, whereas the batter for idli will contain urad dal and cream of rice (also called idli sooji or idli rava or rice rava).
Using cream of rice in idli batter gives you really soft and fluffy idli that breaks easily and melts in the mouth. You can buy cream of rice from a shop that sells South Indian provisions. Of course, you can buy it online if not available locally.
Do not make dosa batter at home? I think you should. It is straightforward, and you will know what went into it. You will use clean and safe ingredients, ferment the batter just right, and will have total control over the results.
Happy cooking.
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