Masala Dosa with Homemade Fermented Dosa Batter (Vegan, Gluten‑free)

Ingredients

Method

1. 1

   Rinse the rice in a large bowl until the rinse water runs almost clear.

2. 2

   Rinse the urad dal and fenugreek seeds until water is clear.

3. 3

   Place the rinsed rice in a bowl and cover with 4 cups of the soaking water; place the dal and fenugreek in a separate bowl and cover with the remaining 2 cups of water.

   Soak 4–6 hours; this step can be done the day before.

   240 min
4. 4

   Drain the dal and reserve the soaking water for grinding, then grind the dal with about 1 cup of the grinding water to a very smooth, fluffy batter in a wet grinder or high-speed blender.

   Stop and scrape the sides; the dal batter should be light and airy.

5. 5

   Drain the rice and grind the rice with the remaining grinding water in short pulses until a slightly grainy but pourable batter forms (not completely smooth).

   Rice should be ground finer than coarse cornmeal but not as smooth as milkshake.

6. 6

   Combine the dal batter and rice batter in a large bowl, mix thoroughly with your hand or a spatula to incorporate air, cover and leave at room temperature to ferment until bubbly and risen.

   Ferment 8–12 hours in a warm spot (longer in cool kitchens). Use a warm oven (oven off) or the oven light to speed fermentation slightly.

   480 min
7. 7

   While the batter ferments, cook the potatoes in boiling water until fork-tender, about 20 minutes.

   20 min
8. 8

   Drain the potatoes and roughly mash them with a fork or potato masher; set aside.

9. 9

   Heat 1 tablespoon oil in a skillet over medium heat, add mustard seeds, chana dal and urad dal and fry until the mustard seeds begin to pop and the dals turn light golden, about 1 minute.

   1 min
10. 10

    Add the curry leaves, sliced onion and green chilies and sauté until the onion is soft and translucent.

    5 min
11. 11

    Stir in the turmeric, then add the mashed potatoes and 1 teaspoon salt and mix well; cook, stirring, 2–3 minutes to let flavors marry.

    3 min
12. 12

    Remove the potato masala from heat, stir in lemon juice and chopped cilantro and keep warm.

13. 13

    When the batter has fermented and is bubbly, stir in 1.5 teaspoons salt and, if needed, add a little water so the batter pours easily but is not watery (consistency like heavy cream).

14. 14

    Heat a nonstick or well-seasoned cast-iron skillet over medium-high heat and wipe lightly with oil; pour a ladleful of batter in the center and, using the bottom of the ladle, spread outward in a circular motion to a thin disc.

    Practice the spreading motion on a small test dosa first; if batter is too thick it won't spread.

15. 15

    Drizzle a little oil around the edges and on top; cook each dosa until the underside is golden and the edges lift, about 2–3 minutes per dosa (you do not need to flip for a classic dosa).

    Total time assumes about 8 medium dosas; adjust based on pan size and number of dosas.

    24 min
16. 16

    Spoon 2–3 tablespoons potato masala down the center of each cooked dosa, fold or roll and serve immediately while crisp.