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Low-calorie onion preparation with vinegar, sharp flavor, vitamin C, and antioxidants
In season: Spring · Summer · Autumn · Winter
CALORIES · 100 G
GI
POTASSIUM · 100 G
FIBER · 100 G
1 serving (medium) of Onion with vinegar (60 g) has 19 calories. That works out to 32 calories per 100 g. It contains 4.4 g of carbs, 0.5 g of protein, 0.1 g of fat and 0.9 g of fiber. Its glycemic index is 12 (low), so it raises blood sugar slowly.
Selected: 1 serving (medium) · 60 g
19
KCAL / 60G
Carbs
4.4g
· 2% DV
Protein
0.5g
· 1% DV
Fat
0.1g
· 0% DV
Fiber
0.9g
· 3% DV
DV is the share of the daily value covered, on a 2,000 kcal reference diet.
Calories come from: Carbs 86% · Protein 10% · Fat 4%
| Nutrient | Amount | % DV |
|---|---|---|
| Calories | 19 kcal | |
| Total fat | 0.1 g | 0% |
| Saturated fat | 0.02 g | 0% |
| Trans fat | 0 g | |
| Sodium | 3 mg | 0% |
| Total carbohydrate | 4.4 g | 2% |
| Fiber | 0.9 g | 3% |
| Protein | 0.5 g | 1% |
Calories: Calories measure energy. Average daily need is 2,000 kcal. Excess calories are stored as fat, too few cause weight loss.
Carbs: Your body's primary energy source. The brain runs exclusively on carbs. Daily need: 275g.
Protein: Essential for muscle repair and cell growth. Daily need: 50g. Keeps you full and boosts metabolism.
Fat: Needed for hormone production and vitamin absorption. Daily need: 78g. Limit saturated fats, choose unsaturated.
Fiber: Critical for digestive health and satiety. Daily need: 28g. Stabilizes blood sugar, lowers cholesterol.
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| Serving | Amount | Calories |
|---|---|---|
| 1 serving (medium) | 60 g | 19 kcal |
| 1 tablespoon (shredded) | 12 g | 4 kcal |
| 2 tablespoon (shredded) | 24 g | 8 kcal |
| 0.25 cup (shredded) | 35 g | 11 kcal |
| 1 piece (small) | 45 g | 14 kcal |
| 1 piece (medium) | 60 g | 19 kcal |
| ½ cup (shredded) | 70 g | 22 kcal |
| 1 piece (large) | 90 g | 29 kcal |
| 100 g | 100 g | 32 kcal |
| 1 cup (shredded) | 140 g | 45 kcal |
Calculated from 32 calories per 100 g.
Onion with vinegar is made by tossing thinly sliced onion with vinegar and a little salt. Let it stand briefly so the onion takes on the tangy flavor. Herbs or spices can be added, but the onion and vinegar are the defining ingredients.
Both apple cider vinegar and red- or white-wine vinegar work for onion with vinegar. Apple cider vinegar tends to taste milder, while wine vinegar gives a sharper result. Add it gradually so the acidity does not overpower the onion.
To make onion with vinegar less sharp, soak the sliced onion briefly in cold water, drain it well, then add the vinegar. This softens the raw onion’s bite without cooking it. A little sugar can also round out the acidity if desired.
Onion with vinegar is a bright, tangy side for grilled meats, kebabs, burgers, and sandwiches. Its acidity cuts through rich flavors, while the crisp onion adds texture. Add it shortly before serving to keep the slices from going limp.
Let onion with vinegar sit for about 10–15 minutes before serving so the slices absorb some of the vinegar. A longer rest makes the onion softer and more pronounced in flavor. For the crunchiest texture, serve it soon after mixing.
Keep onion with vinegar in a covered container in the refrigerator and use it within a few days. It is a fresh onion preparation, not a shelf-stable pickle. Discard it if its smell, appearance, or texture changes noticeably.
Yes, red onion works well for onion with vinegar and gives the dish a vivid color and a slightly milder bite. White or yellow onions are also suitable, though they can taste more pungent. Slice any variety thinly for even seasoning.
No, onion with vinegar is not necessarily the same as pickled onions. It is often a quick, fresh mixture of sliced onion and vinegar, while pickled onions are typically cured in a brine and may be made for longer storage. Keep this fresh version refrigerated.
You can cook onion with vinegar, but it changes the dish: the onion softens and loses the crisp bite that makes the fresh version a useful side. For the usual sharp, crunchy preparation, mix raw sliced onion with vinegar and serve it chilled or at room temperature.
Onion with vinegar is not a treatment for diabetes and should not replace prescribed care. Vinegar does not make a meal’s carbohydrate content disappear. If you have diabetes, consider the whole meal and follow the blood-sugar guidance from your healthcare team.
Vitamins
Vitamin C
3.9mg · 4% DV
B6
0.07mg · 4% DV
Folate
10.8µg · 3% DV
B1
0.02mg · 2% DV
Minerals
Manganese
0.07mg · 3% DV
Copper
0.02mg · 2% DV
Phosphorus
17mg · 2% DV
Potassium ⭐
81mg · 2% DV
Sodium
3mg · 0% DV
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
To burn the 19 calories in 1 serving (medium) (60 g):
🚶
Walking (5 km/h)
🏃
Running (8 km/h)
🚴
Cycling
🏊
Swimming
Times are calculated with the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.
Onion with vinegar is a simple preparation of sliced onion dressed with vinegar, sometimes with a little salt. The vinegar brings a bright, sharp tang that balances the onion’s pungency; the texture stays crisp if served soon after mixing, or softens as it sits.
It is served around the world as a side or relish, alongside grilled foods, sandwiches, tacos and other hearty dishes. Mostly onion, it is low in calories and provides some fibre and vitamin C; a 100 g serving has 32 calories. For a milder result, rinse the sliced onion briefly or let it rest in the vinegar before serving, then pair it with fresh herbs or grilled vegetables.
Low
How many vitamins, minerals and how much fiber this food carries per calorie. A high score means a lot of nutrition for few calories.
Medium
An EatBetter score computed from fiber, protein and calorie density. A high score means staying full longer on the same calories.
Both scores are calculated per 100 g and do not change with the selected portion. The satiety score is EatBetter's own calculation, not a clinical measure.
NOVA 2
Minimally Processed
1. Unprocessed
2. Minimally Processed
3. Processed
4. Ultra-Processed
NOVA classifies foods into 4 groups by industrial processing. NOVA 1 (unprocessed) is the healthiest.
No known major allergens
Vegan
✓ Suitable
Vegetarian
✓ Suitable
Gluten-Free
✓ Suitable
Dairy-Free
— Not suitable
Mediterranean
✓ Suitable
Paleo
✓ Suitable
Whole30
— Not suitable
DASH
— Not suitable
Keto
— Not suitable
Low FODMAP
— Not suitable
SATURATED
0.02g
MONOUNSATURATED
0.01g
POLYUNSATURATED
0.01g
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Nutrition data compiled from USDA FoodData Central and scientific sources.