A spoonful of the right oil can make a simple bowl of curd rice, a pot of sambar or a quick vegetable stir-fry taste like home. Knowing how to use sesame oil starts with choosing the correct type: light cooking sesame oil for everyday South Indian dishes, or dark toasted sesame oil for a final burst of nutty flavour.

Sesame oil is a useful cupboard staple for households cooking Indian food regularly. It works beautifully with dals, vegetables, rice dishes, pickles and chutneys, but its flavour is distinctive. Use it with purpose rather than treating it exactly like sunflower or vegetable oil.

Choose the right sesame oil first

The words “sesame oil” can describe very different products, and this is where many cooks get caught out. For Indian cooking, especially Tamil, Telugu and wider South Indian food, look for cooking sesame oil, often called gingelly oil or nallennai. It is generally golden to amber in colour, fragrant but not overpowering, and suitable for sautéing, tempering and cooking.

Dark toasted sesame oil is more common in Chinese, Japanese and Korean cooking. It has an intense roasted aroma and is usually best used in small quantities at the end of cooking. It can make a lovely finishing touch for noodles, fried rice or a fusion-style stir-fry, but it will change the character of a traditional rasam or poriyal if used as the main cooking oil.

Refined sesame oil has a milder flavour. It is a practical choice when you want the cooking qualities of sesame oil without a strong aroma, such as for shallow-frying or when spices and other ingredients are meant to lead the dish. Always check the label, as flavour, processing and recommended use vary between brands.

How to use sesame oil for tadka and tempering

Tempering is one of the easiest and most rewarding ways to use sesame oil. Heat one to two tablespoons in a small tadka pan or saucepan, then add whole spices once the oil is hot. Mustard seeds, cumin seeds, urad dal, chana dal, dried red chillies, curry leaves and asafoetida all work particularly well with gingelly oil.

For a simple dal tempering, heat the oil over a medium heat. Add mustard seeds and let them crackle, followed by cumin, dried chillies and curry leaves. Add a pinch of asafoetida, then pour the hot tempering over cooked toor dal or moong dal. The sesame oil carries the aroma of the spices through the dish and gives the dal a rounded, traditional finish.

Keep the heat controlled. Curry leaves can splutter sharply when they meet hot oil, especially if they are wet. Dry them well and keep a lid nearby. If the spices blacken, start again rather than adding the burnt tempering to your dish - bitterness travels quickly through a small pot of dal.

For rasam, sambar and kuzhambu

Gingelly oil is a natural match for tamarind-based dishes. Use it at the beginning to fry shallots, garlic, curry leaves and spice powders for vatha kuzhambu or puli kuzhambu. Its flavour sits comfortably beside tamarind, jaggery, fenugreek and chilli, adding body without making the gravy feel heavy.

For sambar and rasam, a final sesame oil tempering can be enough. This is particularly useful on busy weekdays: make your base dish with your usual oil, then add a small fresh tadka before serving for a stronger home-cooked aroma.

Cook everyday vegetables in sesame oil

Sesame oil is excellent for dry vegetable dishes such as cabbage poriyal, beans thoran, okra fry, brinjal curry and potato roast. Start with a modest amount - usually one or two tablespoons for a family-sized pan. Temper mustard seeds and urad dal first, then add onions, vegetables, salt and spices.

It is especially good with vegetables that benefit from bold seasoning. Brinjal absorbs oil and spices readily, while okra gains a deeper savoury flavour when cooked patiently in sesame oil. For cabbage, carrots or French beans, use a lighter hand and finish with fresh coconut where desired.

The trade-off is flavour intensity. If your family is used to a neutral cooking oil, begin by replacing only half the oil in a recipe with sesame oil. Once everyone enjoys the flavour, increase it for dishes where it belongs at the centre of the cooking style.

Use sesame oil in rice dishes and leftovers

A little sesame oil brings life to cooked rice. For lemon rice, temper mustard seeds, chana dal, urad dal, peanuts, curry leaves and green chillies in sesame oil before mixing in turmeric and rice. For tamarind rice, it provides the familiar base for tamarind paste, roasted spices and sesame seeds.

It is also useful for reviving leftover rice. Heat sesame oil, add sliced onion, curry leaves, chilli and a pinch of turmeric, then fold in cold rice. Add peas, sweetcorn, grated carrot or leftover vegetables for a quick lunch. If you are using dark toasted sesame oil, add only a few drops at the end rather than cooking the whole dish in it.

For curd rice, a small tempering of sesame oil, mustard seeds, ginger, green chilli and curry leaves gives a comforting finish. This is one of the simplest ways to appreciate the oil without overwhelming the meal.

Pickles, podis and chutneys

Sesame oil has a long-standing place in Indian pickle making. It helps carry spice flavours and is valued in many regional recipes for its taste. Homemade mango, lemon and garlic pickles often use it generously, but follow a tested recipe carefully. Pickles rely on the right balance of salt, acidity, clean dry utensils and storage conditions, not oil alone.

For everyday meals, sesame oil is also delicious with idli podi. Mix a spoonful of podi with enough oil to make a loose paste, then serve it beside idli, dosa or uttapam. Gingelly oil is the traditional preference for many households because its nutty flavour softens the heat of chilli and the roasted notes of lentils.

Try it in chutneys too. Fry urad dal, dried red chillies, garlic and curry leaves in sesame oil before grinding with tomato, coconut or roasted peanuts. One tablespoon is often enough to change a basic chutney into something much more aromatic.

When toasted sesame oil works best

Dark toasted sesame oil deserves a place in the kitchen, just not always in the same dishes as gingelly oil. Use it sparingly in vegetable noodles, fried rice, mushroom stir-fries, chilli tofu or sesame dressing. A teaspoon stirred in just before serving delivers far more aroma than several tablespoons cooked for a long time.

It can also be used in a quick dipping sauce with soy sauce, rice vinegar, chilli and a little honey or jaggery. This is handy for snacks such as vegetable momos, spring rolls or crispy pakoras when you want something different from mint chutney.

Do not substitute toasted sesame oil for regular sesame oil in a large batch of South Indian pickle, sambar or kuzhambu unless you actively want that roasted flavour. The result may still be tasty, but it will not have the familiar balance the recipe is designed for.

Heat, storage and sensible portions

Use regular cooking sesame oil for medium-heat sautéing, tempering and shallow-frying if the bottle label recommends it. Avoid letting it smoke. Smoking oil can taste harsh and may spoil the delicate nuttiness you want in the finished dish.

Store the bottle tightly closed in a cool, dark cupboard, away from the hob and direct sunlight. Buy a size that your household will use steadily, particularly with strongly flavoured toasted oil. If the oil smells stale, bitter or noticeably rancid, replace it.

Sesame is an allergen, so take extra care when cooking for guests, school-aged children or anyone with known seed allergies. For most recipes, a little goes a long way: one tablespoon in a tempering or two tablespoons for a vegetable side is often all you need.

Build it into your weekly cooking

Keep regular sesame oil beside your mustard seeds, curry leaves, dals and spice jars, so it is ready when you make a quick tadka. It earns its cupboard space because it can move easily from Monday night dal to weekend dosa, from a fresh tomato chutney to a comforting bowl of curd rice.

If you are stocking up on Indian pantry essentials, add sesame oil with the ingredients you use most often, such as toor dal, tamarind, idli rice, podi and whole spices. At Hetco Fine Foods, familiar staples can be ordered alongside the snacks, pickles and regional ingredients that make everyday cooking easier.

Start with one dish your household already loves, use sesame oil where it naturally fits, and let that warm, nutty aroma become part of the meal rather than an ingredient you save for special occasions.