Homemade Idli Dosa Batter. Share Published 2016Apr19 Updated 2017Jul23 ... Grinder/ Mixie/ Blender. ... So be sure to buy a good one and proceed making the batter. How to make Idli batter for soft idlis? The procedure for making idli batter is as simple as soaking and grinding the ingredients. For beginners however, there are many do's and ...