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Source of protein and selenium
CALORIES · 100 G
GI
POTASSIUM · 100 G
FIBER · 100 G
1 serving (whole) of Prawn Mayo Sandwich (170 g) has 442 calories. That works out to 260 calories per 100 g. It contains 42.7 g of carbs, 17.3 g of protein, 22.8 g of fat and 2.7 g of fiber. Its 45.9 µg of Selenium covers 83% of the Daily Value. Its glycemic index is 55 (medium), so it raises blood sugar at a moderate pace.
Selected: 1 serving (whole) · 170 g
442
KCAL / 170G
Carbs
42.7g
· 16% DV
Protein
17.3g
· 35% DV
Fat
22.8g
· 29% DV
Fiber
2.7g
· 10% DV
DV is the share of the daily value covered, on a 2,000 kcal reference diet.
Calories come from: Carbs 38% · Protein 16% · Fat 46%
| Nutrient | Amount | % DV |
|---|---|---|
| Calories | 442 kcal | |
| Total fat | 22.8 g | 29% |
| Saturated fat | 3.83 g | 19% |
| Trans fat | 0.14 g | |
| Sodium | 867 mg | 38% |
| Total carbohydrate | 42.7 g | 16% |
| Fiber | 2.7 g | 10% |
| Protein | 17.3 g | 35% |
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 (whole) | 170 g | 442 kcal |
| 1 piece (quarter) | 45 g | 117 kcal |
| 1 serving (half) | 85 g | 221 kcal |
| 100 g | 100 g | 260 kcal |
| 1 serving (small) | 120 g | 312 kcal |
| 1 serving (large) | 220 g | 572 kcal |
| 1 serving (double) | 340 g | 884 kcal |
Calculated from 260 calories per 100 g.
To make a Prawn Mayo Sandwich, fold cooked, chilled prawns into mayonnaise and spoon the mixture onto bread. Add lemon juice, black pepper and crisp lettuce if you like, then assemble just before serving so the bread stays firm.
A Prawn Mayo Sandwich contains prawns, mayonnaise and bread. Lettuce, lemon juice, black pepper, cucumber or spring onion are common additions, but recipes vary; keep extra ingredients finely chopped so the filling stays easy to eat.
Yes, the prawns in a Prawn Mayo Sandwich should be fully cooked and cooled before you mix them with mayonnaise. Raw prawns are not suitable for this no-cook filling; cook them first and let them cool to avoid warming or splitting the mayonnaise.
Soft sandwich bread, a roll or a lightly toasted baguette all work well for a Prawn Mayo Sandwich. If the filling is generous, choose sturdy slices that will hold it without tearing; toasting the bread lightly can help keep it from turning soggy.
A Prawn Mayo Sandwich goes soggy when the prawns or vegetables release water into the bread. Drain and pat the prawns dry, dry washed lettuce thoroughly, and add the filling shortly before eating rather than leaving it assembled for a long time.
Yes, drained canned prawns can be used in a Prawn Mayo Sandwich. Rinse them only if they taste overly salty, then pat them dry before mixing; fresh or frozen cooked prawns also work once fully thawed and drained.
A Prawn Mayo Sandwich is usually served cold, with chilled prawns and mayonnaise filling. Heating it is generally unnecessary and can make the mayonnaise oily or separated; if you prefer warm bread, toast it first and let it cool before adding the filling.
Serve a Prawn Mayo Sandwich with a leafy salad, crunchy pickles or a light vegetable soup. The fresh, sharp sides balance the creamy filling without making the meal feel heavier, and a lemon wedge works well if you want extra acidity.
Keep a Prawn Mayo Sandwich covered in the refrigerator and eat it promptly rather than leaving it at room temperature. For better texture, refrigerate the filling separately from the bread and assemble when ready; discard it if it has been left warm or seems off.
No, a Prawn Mayo Sandwich does not freeze well. Mayonnaise can separate as it thaws, while the bread and any salad vegetables become soggy; freeze cooked prawns separately instead, then thaw and make a fresh filling when needed.
Vitamins
B12
1.05µg · 44% DV
B1
0.32mg · 27% DV
Vitamin K
30.6µg · 26% DV
Biotin
6.97µg · 23% DV
Minerals
Selenium
46µg · 84% DV
Sodium
867mg · 38% DV
Phosphorus
230mg · 33% DV
Manganese
0.71mg · 31% DV
Potassium ⭐
281mg · 8% DV
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
To burn the 442 calories in 1 serving (whole) (170 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.
A Prawn Mayo Sandwich combines cooked prawns with mayonnaise, served between slices of bread or in a soft roll. Lettuce, lemon and a little seasoning are common additions, while the balance of filling and dressing varies from one kitchen to another.
It is a familiar café and lunch-counter choice in Britain, often eaten as a ready-to-go lunch or packed for work. The prawns provide protein and selenium; mayonnaise makes the filling richer, so a modest amount lets their clean, delicate flavour come through. Pair it with salad or fruit, or add crisp lettuce and cucumber for freshness. For a lighter version, use less mayonnaise and wholemeal bread.
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 3
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
— Not suitable
Gluten-Free
— Not suitable
Dairy-Free
— Not suitable
Mediterranean
— Not suitable
Paleo
— Not suitable
Whole30
— Not suitable
DASH
— Not suitable
Keto
— Not suitable
Low FODMAP
— Not suitable
SATURATED
3.83g
MONOUNSATURATED
10.37g
POLYUNSATURATED
5.7g
Omega 6:3 ratio 19.5:1
Above the ideal 4:1 (19.5:1).
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Nutrition data compiled from USDA FoodData Central and scientific sources.