Processed vs homemade food: what is the real difference?
Instant noodles, frozen nuggets, packet juices, biscuits and chips have become a normal part of many desi homes. They are quick and tasty. But not all "processed" food is bad, and not all homemade food is healthy. Here is how to tell the difference.
Quick answer
- Not all processing is bad. Dahi, frozen peas, canned chana and atta are processed but healthy.
- Ultra-processed foods (made mostly from refined starches, sugar, oils, salt and additives) are linked with weight gain, diabetes and heart disease.
- In a controlled study, people ate about 500 more calories a day on an ultra-processed diet than on a less processed one, without meaning to.
- Homemade food is usually healthier, but only if you go easy on the oil, ghee, salt and sugar.
Four levels of food processing
Scientists often use the NOVA system, which sorts food into four groups:
| Group | What it means | Desi examples |
|---|---|---|
| 1. Unprocessed or minimally processed | Natural foods, cleaned, cut, dried, frozen or boiled | Fresh sabzi, fruit, daal, rice, eggs, milk, plain dahi, frozen peas, chicken, nuts |
| 2. Cooking ingredients | Used to cook group 1 foods | Oil, ghee, salt, sugar, spices |
| 3. Processed foods | Group 1 foods with salt, sugar or oil added, to keep longer | Pickles (achar), paneer, cheese, canned chana, fresh bread from the bakery, salted nuts |
| 4. Ultra-processed foods | Factory foods made mostly from refined ingredients and additives, ready to eat | Instant noodles, chips, nimko packets, cream biscuits, packet juices, soft drinks, frozen nuggets and kebabs, sausages, sugary cereals, cake rusks, instant soup |
The main concern is group 4. A simple test: if the ingredient list is long and has words you would never find in your kitchen (emulsifiers, flavour enhancers, modified starch, colours), it is probably ultra-processed.
Why ultra-processed food is a problem
- Easy to overeat. These foods are soft, quick to eat, and made to taste very good. In a careful US study, people offered ultra-processed meals ate about 500 more calories a day and gained weight in just two weeks, compared with when they ate less processed meals with the same nutrients on offer.
- High in salt, sugar and unhealthy fats. One packet of instant noodles can have about 1,000 to 1,800 mg of sodium, which is half or more of the WHO daily limit of 2,000 mg.
- Low in fibre and protein, so they do not keep you full for long.
- Health risks. Large studies link a high intake of ultra-processed foods with higher risk of obesity, type 2 diabetes, heart disease, depression and early death. These studies show links, not proof of cause, but the pattern is consistent.
Homemade is not always healthy
A homemade paratha fried in ghee, a karahi with a layer of oil on top, or jalebi made at home can be just as heavy as packaged food. Homemade food is better because you control what goes in. Use that control:
- Measure oil with a spoon.
- Use less salt and add flavour with lemon, herbs and spices.
- Cut the sugar in chai and desserts.
- Grill, bake or air-fry instead of deep frying.
Read how to lose weight eating normal desi food for more kitchen tips.
Easy homemade swaps
| Instead of | Try |
|---|---|
| Instant noodles | Vegetable and egg sewaiyan, or leftover roti "noodles" with sabzi |
| Packet juice | Whole fruit, or homemade nimbu pani with little sugar |
| Frozen nuggets | Homemade chicken tikka or shami kebabs, made in a batch and frozen |
| Chips and nimko | Roasted chana, makhana, homemade popcorn, bhutta |
| Cream biscuits with chai | A few almonds, or a slice of whole wheat toast |
| Sugary breakfast cereal | Daliya or oats with milk and fruit, or eggs and roti |
| Instant soup packet | Daal soup or chicken yakhni |
| Ready-made masala mixes (high salt) | Your own spice mix, with salt added to taste |
For snack ideas with calories, see healthy swaps for fried snacks.
Healthy packaged foods you can keep
Busy families do not need to cook everything from scratch. These packaged foods are fine:
- Frozen peas, mixed vegetables, spinach
- Canned chana, rajma and lobia (rinse to remove some salt)
- Plain dahi and milk
- Oats and daliya (plain, not flavoured with sugar)
- Whole wheat or multigrain atta
- Plain nuts and seeds
- Eggs, frozen fish and plain chicken
How to read a food label
Labels in Pakistan and India follow rules set by food authorities. Check these four things per 100 g:
| Nutrient | Low (good) | High (limit) |
|---|---|---|
| Sugar | 5 g or less | More than 22.5 g |
| Total fat | 3 g or less | More than 17.5 g |
| Saturated fat | 1.5 g or less | More than 5 g |
| Salt | 0.3 g or less (0.1 g sodium) | More than 1.5 g (0.6 g sodium) |
These cut-offs come from the UK front-of-pack system and are a handy guide anywhere. Also look for:
- Trans fat: it should be 0. Avoid "partially hydrogenated oil" or "vanaspati" in the ingredients. See desi ghee vs vanaspati.
- Serving size: a "small" packet may be two or three servings.
- First ingredients: ingredients are listed from most to least. If sugar, maida or oil come first, it is mostly that.
A simple rule to live by
Try to make most of what you eat come from groups 1 to 3: real food, cooked at home or nearby, with the help of a few useful packaged items. Keep ultra-processed snacks and drinks for occasional treats, not daily meals. Check any food on our food calorie picker.
Common questions
Is all packaged food unhealthy?
No. Frozen vegetables, canned pulses, plain dahi, oats and atta are packaged but healthy. The main ones to limit are ultra-processed snacks, sweet drinks and ready meals.
Are instant noodles bad for you?
Eaten now and then, they are fine. As a daily meal they are a problem: high in salt and refined flour, often fried, and low in protein and fibre.
Is bakery bread processed?
Fresh bread from a local bakery with simple ingredients is processed (group 3). Packaged bread with many additives and sugar is closer to ultra-processed. Whole wheat bread with a short ingredient list is the better choice.
Is homemade food always better?
Usually, because you control the ingredients. But homemade food with lots of oil, ghee, salt or sugar can be just as unhealthy.
Sources
- Monteiro CA, Cannon G, Levy RB, et al. Ultra-processed foods: what they are and how to identify them. Public Health Nutrition, 2019;22:936-941. doi.org/10.1017/S1368980018003762
- Hall KD, Ayuketah A, Brychta R, et al. Ultra-processed diets cause excess calorie intake and weight gain: an inpatient randomized controlled trial of ad libitum food intake. Cell Metabolism, 2019;30:67-77. doi.org/10.1016/j.cmet.2019.05.008
- Lane MM, Gamage E, Du S, et al. Ultra-processed food exposure and adverse health outcomes: umbrella review of epidemiological meta-analyses. BMJ, 2024;384:e077310. doi.org/10.1136/bmj-2023-077310
- World Health Organization. Salt reduction, fact sheet. www.who.int/news-room/fact-sheets/detail/salt-reduction
- UK Department of Health and Food Standards Agency. Guide to creating a front of pack nutrition label for pre-packed products sold through retail outlets, 2016. www.gov.uk
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