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Onions, baked

Onions are a vegetable, and the figures here describe them after baking. They mainly provide carbohydrate, including naturally occurring sugars, along with fibre and small amounts of protein. Per 100g, baked onions contain 9.9g of carbohydrate, of which 7.7g is sugars, and 2.7g of fibre. Their fat content is 0.2g per 100g.

Carbohydrate provides energy for the body, while fibre supports normal bowel function. The sugars in onions occur naturally within the vegetable rather than being added sugars. Baked onions contain little salt and only trace amounts of saturated fat, although added salt, butter or oil can change the nutritional content of a prepared dish. Full nutritional figures are in the tables below.

Nutrition per 100g

Nutrient

Per 100g

Energy

43 kcal

Energy

185 kJ

Fat

0.2g

of which saturates

Trace

Carbohydrate

9.9g

of which sugars

7.7g

Fiber

2.7g

Protein

1.2g

Salt

0.01g

Vatten

86g

Kolesterol

0mg

Vitamins and minerals per 100g

Nutrient

Per 100g

Vitamin A (retinol equivalent)

2µg

Vitamin D

0µg

Vitamin E

0.36mg

Vitamin C

3mg

Thiamin (B1)

0.11mg

Riboflavin (B2)

0.02mg

Niacin (B3)

0.3mg

Vitamin B6

0.1mg

Vitamin B12

0µg

Folate

11µg

Kalcium

37mg

Iron

0.37mg

Magnesium

10mg

Phosphorus

29mg

Kalium

172mg

Sodium

4mg

Zinc

0.2mg

Copper

0.05mg

Selen

Trace

Iodine

2µg

Other types of onions

Food

Calories per 100g

Protein per 100g

Fat per 100g

Fibre per 100g

Onions, boiled in unsalted water

25 kcal

0.7g

0.3g

2.3g

Onions, dried, raw

309 kcal

8.8g

1.2g

19g

Onions, fried in corn oil

95 kcal

1.2g

5.3g

3g

Onions, fried in lard

95 kcal

1.2g

5.3g

3g

Onions, fried in rapeseed oil

95 kcal

1.2g

5.3g

3g

Onions, fried in sunflower oil

95 kcal

1.2g

5.3g

3g

Onions, pickled, drained

24 kcal

0.9g

0.2g

1.6g

Onions, raw

35 kcal

1g

0.1g

2.2g

Onions, fried in butter

95 kcal

1.2g

5.3g

3g

Onions, pickled, cocktail/silverskin, drained

15 kcal

0.6g

0.1g

–

About these figures

Values are per 100g of the food as described (Calculated from 13-499 using weight loss of 20%, baked for 90 minutes at 180C). "Trace" means only a very small amount was found. Nutrients that were not measured are not shown. Salt is calculated from sodium.

Vidare läsning och referenser

  • Public Health England. McCance and Widdowson's The Composition of Foods Integrated Dataset 2021. GOV.UK.

Artikelhistorik

Informationen på denna sida är skriven och granskad av kvalificerade kliniker.
  • 4 Nov 2026 | Senaste versionen
  • 3 Nov 2026 | Ursprungligen publicerad