Nutrition

Cooking oil: the hidden calories that can stall a diet

A tablespoon of oil has about 120 calories, and most people pour more than they think. Measuring it is one of the easiest fixes for a stalled diet.

When people track food carefully but still do not lose weight, cooking fat is one of the most common blind spots. All oils contain roughly 9 calories per gram, so a single tablespoon of olive, sunflower or any other oil adds about 120 calories. A generous pour into a frying pan can easily be two or three tablespoons, which means 250 to 350 calories that never make it into the food diary. Butter, ghee and many dressings are similarly dense.

This does not mean oil is unhealthy. Olive oil and other unsaturated fats are part of well-studied healthy diets, they help you absorb fat-soluble vitamins, and they make vegetables taste better, which helps you eat more of them. The issue is simply that oil is easy to overpour and hard to estimate by eye. Restaurant and takeaway meals often contain far more fat than similar food cooked at home.

A few habits make a big difference. Measure oil with a spoon or weigh the bottle before and after cooking for a week to see how much you really use. Use a non-stick pan, an oil spray or a brush to coat the pan thinly. Roast vegetables after tossing them with a measured amount of oil in a bowl rather than pouring it over the tray. Log oil as a separate item in your food diary. For many people, this alone explains a missing 200 to 300 calories a day.

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