How to Make Rice Flour at Home in a Mixer Grinder — Fine Powder for Kolukattai & Murukku

Store-bought rice flour is convenient but often too coarse for delicate recipes like idiyappam (string hoppers), kolukattai (steamed rice dumplings), and murukku (rice flour chakli). The texture matters significantly — coarser rice flour produces murukku with a rough, irregular surface; finer flour produces the glass-smooth, even chakli that shatters cleanly when bitten.

Making rice flour at home in a mixer grinder gives you control over the fineness. With the right variety of rice, the correct soaking and drying process, and the appropriate grinding technique, you can produce flour that is equal to or better than commercial rice flour for any application. 

Which Rice to Use for Rice Flour

Method — Making Rice Flour at Home

Step 1 — Wash and Soak

Wash 2 cups of raw rice 2-3 times until the water runs clear. Soak in clean water for 2-4 hours. Soaking softens the rice grain which makes grinding more efficient and allows a finer powder. For idiyappam flour specifically: soak 4 hours for the finest result.

Step 2 — Drain and Dry

Drain the soaked rice completely. Spread on a clean dry cloth or kitchen towel in a thin layer. Allow to dry for 30-60 minutes at room temperature — the surface should be dry but the interior of the grain is still moist. This balance is key: completely wet rice doesn't grind fine (it pastes); completely dry rice is harder to grind to a fine powder and generates more heat in the jar.

Do not dry in direct sunlight for more than 10-15 minutes — the outer surface can dry too fast and create an uneven moisture gradient.

Step 3 — Grind

Place 1 cup of dried soaked rice in the dry grinding jar (not the chutney jar — the larger dry grinding jar handles rice better). Run at high speed for 30 seconds. Stop. Open and push any rice from the sides to the centre. Run for another 30 seconds. Repeat until you've done 4-5 cycles.

After 4-5 cycles, sieve the ground flour through a fine mesh sieve. The fine flour passes through. The coarser residue goes back into the jar for more grinding. This sieve-and-regrind cycle is what gives home-ground rice flour its fine, even texture.

Step 4 — Fineness Test

Take a pinch of the sieved flour and rub between your thumb and index finger. Fine, smooth flour (suitable for idiyappam and kolukattai) should feel silky — no individual grain particles should be perceptible. If you can feel grains, continue grinding and sieving. For murukku, a slightly coarser texture is acceptable and preferred by some recipes.

Step 5 — Dry and Store

Spread the ground flour on a plate or tray and allow it to air dry for 30-60 minutes. Even though the grains were surface-dried, the grinding process can slightly increase moisture from friction heat. Storing flour with any moisture causes mould. Once fully dry, store in an airtight container. Homemade rice flour keeps for 2-3 weeks at room temperature, 1-2 months refrigerated.

Uses for Homemade Rice Flour

• Murukku (chakli): the most popular use — rice flour + urad dal flour + butter + spices, extruded and deep-fried or air-fried.

• Kolukattai: steamed dumplings made from rice flour dough, filled with coconut-jaggery or savoury fillings.

• Idiyappam (string hoppers): pressed through a mould into noodle-like strings and steamed.

• Puttu: layered with coconut and steamed in a cylindrical mould.

• Appam: combined with coconut and fermented for the traditional Kerala lacy pancake.

• Rice flour roti: a simple, gluten-free flatbread made with rice flour.

Best Mixer Grinders for Making Rice Flour

The Galaxy 1000W is the best mixer grinder for making rice flour in large batches. Grinding rice for flour is a sustained, high-resistance task — soaked rice has significant density and requires the motor to maintain full speed through multiple cycles. The 100% copper motor and 100-minute non-stop rating handle bulk flour grinding without overheating. 

The Hush BLDC is the best choice for rice flour grinding if you grind frequently. BLDC motors generate significantly less heat than conventional motors — rice flour grinding generates friction heat in the jar, and a lower-heat motor means the rice flour quality is more consistent across batches. 5-year warranty.

Related Guides

→ How to Grind Masala at Home Using a Mixer Grinder

→ Air Fryer Murukku Recipe — Crispy Chakli Without a Drop of Oil

→ Mixer Grinder Wattage Guide — 500W vs 750W vs 1000W

Frequently Asked Questions

Can I make rice flour at home in a mixer grinder?

Yes — soaked and surface-dried raw rice grinds to fine flour in a mixer grinder's dry grinding jar. Use 30-second grinding pulses, sieve between cycles, and re-grind the coarser residue. 4-5 cycles with sieving gives flour fine enough for idiyappam and murukku.

Which rice is best for making rice flour at home?

Raw parboiled rice (idli rice) gives the finest, most workable flour for idiyappam and kolukattai. Regular raw white rice works for all applications. Ponni rice is the traditional South Indian choice. Never use basmati (too aromatic for savoury rice flour applications) or cooked rice.

How fine should home-ground rice flour be?

For idiyappam: very fine — should feel silky between fingers with no perceptible grains. For murukku: medium-fine — very slightly granular is acceptable and some recipes prefer it for a certain texture. For kolukattai: same as idiyappam — very fine for a smooth, non-grainy dumpling skin.

Conclusion

Homemade rice flour from soaked, dried, and pulse-ground raw rice gives better texture and freshness than most commercial rice flour for traditional South Indian recipes. The sieve-and-regrind method is what achieves the fine, even texture needed for idiyappam and kolukattai. The Galaxy 1000W copper motor handles large batches reliably; the Hush BLDC is the quieter, cooler-running option for frequent grinding.

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