Over night soaked rice and udad daal ko alag alag mixi mein achchhey se grind karein or phir ek saath mix karke salt and thodi si dahi daalkar betar taiyaar karein.please make sure about it consistency.ek achchhi consistency wala beter bnaakar ek chiley ki tarah se apne tave par phailayein jitna bada aapka tava hai utna hi aap isey phaila saktey hain.agar masala dosa bnaana chahey to ismein veggies ke saath boil patatoes ko fry karke bhi fill kar saktey hain.