Pepper Rasam With Freshly Crushed Peppercorns

Pepper rasam (milagu rasam) is a thin tamarind and tomato broth flavoured with freshly crushed black pepper, cumin and garlic, finished with a ghee tempering. It takes about 25 minutes and serves three to four. The two things that matter most: crush the peppercorns just before cooking, and take the rasam off the heat as soon as it froths.

Ingredients (serves 3 to 4)

Pepper-cumin mix

• 1½ teaspoons black peppercorns
• 1 teaspoon cumin seeds
• 4 cloves garlic, with skin (optional, but common in Kerala homes)

Rasam base

• Tamarind the size of a small lime, soaked in 1 cup warm water for 10 minutes
• 1 medium ripe tomato, chopped
• ¼ teaspoon turmeric
• Salt to taste
• 2 cups water
• A handful of coriander leaves, chopped

Tempering

• 1 teaspoon ghee or coconut oil
• ½ teaspoon mustard seeds
• 1 dried red chilli, broken
• A sprig of curry leaves
• A pinch of asafoetida

Method

1. Crush the spices. Pound the pepper, cumin and garlic coarsely in a mortar, or give them two or three short pulses in a dry mixie jar. You want broken corns, not powder.
2. Make the base. Squeeze the tamarind well and strain the water into a pot. Add the tomato, turmeric and salt. Simmer for 8 to 10 minutes, until the raw tamarind smell goes and the tomato is soft.
3. Add the pepper mix. Stir in the crushed spices and 2 cups of water. Heat until a layer of froth rises to the top, then turn off the heat straight away.
4. Temper. Heat the ghee, let the mustard seeds crackle, then add the red chilli, curry leaves and asafoetida. Pour this into the rasam.
5. Rest. Add the coriander, cover, and leave for 5 minutes before serving so the pepper settles into the broth.

How hot should it be?

1½ teaspoons of peppercorns gives a rasam that's clearly peppery but still easy to drink. Go down to 1 teaspoon for children, or up to 2 teaspoons if you like it sharp. The heat builds as it sits, so taste after resting.

Common mistakes and how to avoid them

• Boiling hard after adding pepper. A long rolling boil makes rasam bitter and flattens the pepper aroma. Stop at the froth.
• Too much tamarind. Rasam should be sour but not sharp. If it puckers, add a little hot water and a pinch of jaggery.
• Using old pepper powder. It still gives heat, but not the smell that makes pepper rasam. Crush whole corns.
• Grinding to a fine paste. Fine powder turns the rasam muddy. Coarse pieces settle and leave the broth clear.

Why freshly crushed pepper matters here

Pepper's heat comes from piperine, which lasts well. Its aroma comes from volatile oils that fade once the corns are broken. In a dish with this few ingredients, you can taste the difference. Heavy, dark, evenly sized peppercorns give the fullest flavour. If you're curious about what those names on pepper packs mean, our guide to Malabar and Tellicherry pepper explains.

Variations

• With dal water: add ½ cup of the water from cooked toor dal in step 3 for a fuller, softer rasam.
• Without tomato: use a little more tamarind. Sharper and thinner.
• With a small piece of dry ginger: crush it with the pepper for extra warmth on rainy days.

How to serve it

Pour it over hot rice with a spoon of ghee, or drink it from a cup like soup. If you're cooking a pepper-heavy meal, it goes well next to Kerala pepper chicken.

We make this with our whole Kerala black pepper from Idukki, crushed just before it goes in.