8 cooking habits that can kill your food’s nutrition

ET Online

Jul 18, 2025

Overcooking vegetables

Boiling sabzi till it’s limp? You’re losing vitamin C and folate. Light steam or stir-fry instead to lock in nutrients and taste.

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Reheating food too often

Warming the same dal or sabzi more than once breaks nutrients and can raise food safety risks. Reheat only once, and store leftovers in airtight containers.

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Too much oil or ghee

Heavy tadkas and deep-frying block absorption of vitamins and add empty calories. Stick to 2–3 teaspoons per meal—enough for flavour without harm.

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Using the wrong oils

Using the wrong oilsReusing oil for frying or cooking mustard oil on high heat forms toxic compounds. Use fresh oils like cold-pressed mustard or groundnut for moderate heat; ghee for high heat.

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Throwing out rice water (kanji)

Draining boiled rice throws away B vitamins and minerals. Try pressure cooking, or reuse the starchy water in dals or kadhi.

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Peeling too much

Peeling potatoes, lauki, or carrots removes fibre and nutrients under the skin. Wash and cook with skin on when possible.

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Cooking in aluminium

Acidic foods in aluminium vessels can leach metal into your meal. Long-term use is linked to memory loss and bone issues. Prefer stainless steel or iron.

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Pressure cooking everything

While efficient, pressure cooking greens can destroy antioxidants. Use open-pan or steam leafy veg like spinach and methi instead.

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