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Vibrant color, tangy and slightly sweet, probiotic potential, low calorie
In season: Spring · Summer · Autumn · Winter
CALORIES · 100 G
GI
POTASSIUM · 100 G
FIBER · 100 G
2 tablespoon (medium) of Homemade pickled red onion (30 g) has 8 calories. That works out to 28 calories per 100 g. It contains 1.9 g of carbs, 0.2 g of protein, 0 g of fat and 0.4 g of fiber. Its glycemic index is 15 (low), so it raises blood sugar slowly.
Selected: 2 tablespoon (medium) · 30 g
8
KCAL / 30G
Carbs
1.9g
· 1% DV
Protein
0.2g
· 0% DV
Fat
0g
· 0% DV
Fiber
0.4g
· 1% DV
DV is the share of the daily value covered, on a 2,000 kcal reference diet.
Calories come from: Carbs 90% · Protein 10% · Fat 0%
| Nutrient | Amount | % DV |
|---|---|---|
| Calories | 8 kcal | |
| Total fat | 0 g | 0% |
| Saturated fat | 0.01 g | 0% |
| Trans fat | 0 g | |
| Sodium | 129 mg | 6% |
| Total carbohydrate | 1.9 g | 1% |
| Fiber | 0.4 g | 1% |
| Protein | 0.2 g | 0% |
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 |
|---|---|---|
| 2 tablespoon (medium) | 30 g | 8 kcal |
| 1 slice (thin) | 10 g | 3 kcal |
| 1 tablespoon (small) | 15 g | 4 kcal |
| 1 slice (thick) | 20 g | 6 kcal |
| 1 serving (medium) | 40 g | 11 kcal |
| 4 tablespoon (large) | 60 g | 17 kcal |
| 1 piece (whole) | 80 g | 22 kcal |
| 100 g | 100 g | 28 kcal |
| 1 cup (large) | 120 g | 34 kcal |
Calculated from 28 calories per 100 g.
Homemade pickled red onion is made by covering thinly sliced onion with a vinegar-based brine, often with water, salt and a little sugar. Use a clean jar, keep the slices submerged, and refrigerate the jar while the onion pickles.
Homemade pickled red onion should be kept refrigerated, especially when it is a quick pickle rather than a tested canning recipe. Use a clean utensil to remove slices, keep them covered with brine, and discard the batch if you see mold or notice an off smell.
Homemade pickled red onion is not necessarily fermented. A quick pickle made with vinegar is not guaranteed to contain probiotics; naturally fermented onion in a salt brine may contain live microbes if it has not been pasteurized.
Homemade pickled red onion often turns pink because the onion’s natural pigments react with the acid in vinegar or lemon juice. The color change is normal and, by itself, does not mean the onions have spoiled.
Homemade pickled red onion can turn soft if the slices are very thin, the brine is hot, or the onions sit for a long time. For a crunchier pickle, use fresh onions, cut thicker slices, and chill the jar promptly.
Homemade pickled red onion pairs well with tacos, burgers, sandwiches, grilled meat, and grain bowls. Its sharp, tangy flavor cuts through rich foods, and a small amount can brighten salads or roasted vegetables.
To make homemade pickled red onion less sharp, soak the sliced onion briefly in cold water and drain it before adding the brine. A little sugar can also soften the vinegar bite, though too much will make the pickle noticeably sweet.
Yes, apple cider vinegar works for homemade pickled red onion and gives it a milder, fruitier flavor than many distilled vinegars. Keep the recipe’s proportions intact, since changing the vinegar or diluting the brine can affect safe storage.
You can freeze homemade pickled red onion, but it is likely to become limp after thawing. Refrigeration is a better choice when you want the slices to stay crisp; freeze only if texture is not important for the dish.
You can use leftover homemade pickled red onion brine in a salad dressing or marinade, but do not rely on it to safely pickle a fresh batch. Its acidity and salt level may have changed, and it should be discarded if its smell or appearance seems off.
Vitamins
B6
0.02mg · 1% DV
Folate
5.4µg · 1% DV
Vitamin C
1.2mg · 1% DV
B1
0.01mg · 1% DV
Minerals
Sodium
129mg · 6% DV
Manganese
0.03mg · 1% DV
Phosphorus
7.5mg · 1% DV
Copper
0.01mg · 1% DV
Potassium ⭐
21mg · 1% DV
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
To burn the 8 calories in 2 tablespoon (medium) (30 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.
Homemade pickled red onion is made by soaking thinly sliced red onion in vinegar or brine, often with a little sugar and seasoning. It is a simple kitchen condiment rather than a dish with one place of origin; recipes range from quick vinegar pickles to longer brined versions. The onion softens slightly, keeps some crunch and lends its vivid colour to the pickling liquid.
Its sharp, tangy flavour, sometimes rounded by a touch of sweetness, cuts through rich foods. Serve it with tacos, grilled meat, sandwiches, salads or grain bowls, as people do in many kitchens around the world. It is mostly a bright, low-calorie accent rather than a substantial source of nutrients: 100 g provides 28 calories. A small spoonful adds plenty of flavour; for a less sweet version, leave out the sugar, and rinse it briefly if the brine tastes too salty.
Medium
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
— Not suitable
Whole30
— Not suitable
DASH
— Not suitable
Keto
— Not suitable
Low FODMAP
— Not suitable
SATURATED
0.01g
MONOUNSATURATED
0g
POLYUNSATURATED
0.01g
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Nutrition data compiled from USDA FoodData Central and scientific sources.