Ennai Kathirikai Kuzhambu (Oil Brinjal Gravy)

Wash the small purple brinjals. Slit each one lengthwise into 4 sections by cutting from the bottom upward, stopping just before the crown — the stem must hold all 4 sections together. This is critical so they don't fall apart in the gravy.

Soak the lemon-sized ball of tamarind in warm water for 10-15 minutes, then squeeze and extract a thick juice. Discard fibre and seeds. Set aside.

Heat a very generous amount of groundnut oil in a heavy-bottomed kadai or clay pot (manchatti). The oil should be enough to half-submerge the brinjals — this is 'Ennai' Kathirikai, not a dry sauté.

Once the oil is hot, gently drop the slit brinjals in. Fry them continuously for 5 to 6 minutes, turning them occasionally so they color evenly on all sides.

In the exact same oil left in the pan, add the mustard seeds and let them splutter. Immediately add the cinnamon pieces and cloves — they will bloom in the hot oil.

Toss in the full ½ kg of peeled whole small onions, the 10 garlic cloves, the slit green chillies, and the generous handful of fresh curry leaves.

Add the chopped tomatoes. Add the crystal salt at this stage — salt draws moisture from the tomatoes and helps them break down faster.

Sauté continuously on a medium flame until the tomatoes completely dissolve into a thick, mushy paste — no visible chunks should remain.

Pour the thick tamarind extract into the pan. Add a little water — just enough to bring it to a proper kuzhambu consistency. This dish should remain relatively thick, not watery.

Gently drop the 80% fried brinjals back into the boiling gravy. Slide them in carefully — do not stir vigorously, you'll break them.

Turn the heat down to low, cover the pan, and let it simmer for 5 to 8 minutes. The brinjals will finish their last 20% of cooking by absorbing the tangy-spicy gravy.

The dish is done when the brinjals are completely tender (but still hold their slit-with-crown shape) and a thick, beautiful layer of groundnut oil floats to the surface. That floating 'ennai' layer is the visual proof — without it, you haven't used enough oil.