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High-quality protein, vitamin B12, vitamin D, served cold
In season: Spring · Summer · Autumn · Winter
CALORIES
GI
POTASSIUM
FIBER
1 piece (medium) of Cold boiled egg (50 g) has 78 calories. That works out to 155 calories per 100 g. It contains 0.6 g of carbs, 6.5 g of protein, 5.5 g of fat and 0 g of fiber. Its 10 µg of Biotin covers 33% of the Daily Value. Its glycemic index is 0 (low), so it raises blood sugar slowly.
A cold boiled egg is cooked in its shell until the white and yolk are set, then cooled before serving. It is an easy make-ahead option: eat it on its own, slice it into a salad, or tuck it into a sandwich. In many places, it also turns up in packed lunches, picnic spreads and simple breakfasts.
The white is firm and mildly springy, while the yolk can be soft or crumbly depending on how long the egg was cooked. Its flavour is mild, so pepper, a little salt or a sharp dressing can bring it to life. Eggs are a protein-rich choice, with 13 g of protein per 100 g. Pair one with vegetables or wholegrain toast for a straightforward meal.
Selected: 100 g
155
KCAL / 100G
Carbs
1.1g
· 0% DV
Protein
13g
· 26% DV
Fat
11g
· 14% DV
Fiber
0g
· 0% DV
DV is the share of the daily value covered, on a 2,000 kcal reference diet.
Calories come from: Carbs 3% · Protein 33% · Fat 64%
Vitamins
Biotin
20µg · 67% DV
B12
1.1µg · 46% DV
B2
0.5mg · 38% DV
B5
1.4mg · 28% DV
Minerals
Selenium
30µg · 55% DV
Iodine
47µg · 31% DV
Phosphorus
100mg · 14% DV
Zinc
1mg · 9% DV
High
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.
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
To burn the 155 calories in 100 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.
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.
Contains these allergens:
Vegan
— Not suitable
Vegetarian
✓ Suitable
Gluten-Free
✓ Suitable
Dairy-Free
— Not suitable
Mediterranean
✓ Suitable
Paleo
✓ Suitable
Whole30
— Not suitable
DASH
— Not suitable
Keto
✓ Suitable
Low FODMAP
— Not suitable
SATURATED
3.3g
MONOUNSATURATED
4.1g
POLYUNSATURATED
1.4g
Omega 6:3 ratio 26:1
Above the ideal 4:1 (26:1).
A cold boiled egg can keep for up to one week in the refrigerator when it is chilled promptly and stored properly. Keeping it in its shell helps protect it until you are ready to eat it.
Yes, you can eat a cold boiled egg straight from the fridge if it was fully cooked and refrigerated safely. It works well sliced into salads or sandwiches, or eaten on its own.
Store a peeled cold boiled egg in a clean, covered container in the refrigerator and use it soon so it does not dry out. If convenient, leave the shell on until just before eating.
A cold boiled egg should not sit at room temperature for more than two hours, or one hour in very hot conditions. If it has been left out longer, putting it back in the fridge does not make it safe again.
Freezing a whole cold boiled egg is not recommended because the white can become tough and watery after thawing. Refrigerate it instead and use it within the recommended storage period.
For an easier peel, chill the boiled egg promptly in ice water, then crack the shell all over and start peeling from the wider end. Eggs that are not extremely fresh often peel more cleanly.
A green or gray ring around the yolk usually forms when an egg has been cooked too long. It is an appearance change rather than proof of spoilage, provided the cold boiled egg was stored safely.
You can warm a cold boiled egg gently, but do not microwave it whole, since pressure can build up and make it burst. Peel and slice it first, then add it to a hot dish or warm it gently in hot water.
Yes, cold boiled eggs are convenient for meal prep. Keep them refrigerated in their shells and peel them when needed; add sliced egg to a sandwich or salad shortly before serving to keep it fresh.
Pack a cold boiled egg in an insulated lunch bag with an ice pack so it stays chilled until lunchtime. Keeping it in its shell also helps prevent it from getting squashed or picking up odors.
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Nutrition data compiled from USDA FoodData Central and scientific sources.