Prawn & Lemon Mayo

by M&S Food 187g in Sandwiches Barcode 29421022
Average nutritional quality
Ultra-processed food

Prawn & Lemon Mayo by M&S Food provides 259 kcal per 100 g, with 2.4 g of sugars and 8.6 g of protein. That is 38% less sugar than the average product in this category. Its Nutri-Score is C and it is classified as NOVA 4 (ultra-processed food). It is listed in the Sandwiches category and comes in a 187g pack. Contains: crustaceans, eggs, gluten, milk, mustard, soybeans.

Nutrient levels per 100 g

Fat
14.4 g · Moderate
Saturated fat
2.9 g · Moderate
Sugars
2.4 g · Low
Salt
1.2 g · Moderate

Levels use UK front-of-pack reference thresholds.

Nutrition facts

Serving size: 1 portion (186 g)

Nutrient Per 100 g Per serving% DV* Category avg
Calories 259 kcal 482 kcal 284 −9%
Total fat 14.4 g 26.8 g 34% 15.6 −8%
Saturated fat 2.9 g 5.4 g 27% 5.2 −44%
Carbohydrates 22.1 g 41.1 g 15% 25.4 −13%
Total sugars 2.4 g 4.5 g 3.9 −38%
Added sugars 0 g 0 g 0% 2 −100%
Dietary fiber 3.3 g 6.1 g 22% 1.9 +72%
Protein 8.6 g 16 g 32% 15.5 −45%
Salt 1.2 g 2.3 g 2 −37%

*% Daily Value for a serving, based on a 2,000-calorie diet (FDA reference values). Category average across 6536 Sandwiches products on Foodmetria.

Compared with other sandwiches

Calories higher 42%
Sugars higher 49%
Salt lower 44%
Saturated fat lower 45%
Protein top 66%
Fiber top 17%

Bar shows the share of products in this category that contain less of the nutrient.

Ingredients

Prawns (Crustacean) (25%), Wholemeal Wheatflour (contains Gluten), Water, Rapeseed Oil, Rocket (4%), Butter (Milk), Oat Flakes, Lemon Juice (2.5%), Malted Rye (contains Gluten), Salt, Malted Barley Flour (contains Gluten), Pearl Barley (contains Gluten), Pasteurised Egg Yolk, Malted Wheatflakes (contain Gluten), Malted Wheatflour (contains Gluten), Malted Wheat (contains Gluten), Invert Sugar Syrup, Yeast, Chives, Cornflour, Soya Flour, Vinegar, Wheatflour contains Gluten (with Wheatflour, Calcium Carbonate, Iron, Niacin, Thiamin), Sugar, Cracked Black Pepper, Dill, Dried Egg, Pea Protein, White Wine Vinegar, Dried Mustard, Concentrated Lemon Juice, Mustard Extract, Flour Treatment Agent: Ascorbic Acid, Maltodextrin, Dextrose, Natural Colour: Paprika Extract.

Palm oil freeNot veganNot vegetarian
Allergens
CrustaceansEggsGlutenMilkMustardSoybeans

Additives 2

Overexposure risk is based on EFSA evaluations as recorded by Open Food Facts.

Product details

Quantity
187g
Serving size
1 portion (186 g)
Sold in
United Kingdom
Barcode
29421022

Prices reported by shoppers

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Frequently asked questions

How many calories are in Prawn & Lemon Mayo?

Prawn & Lemon Mayo contains 259 kcal per 100 g and about 482 kcal per serving (1 portion (186 g)).

How much sugar is in Prawn & Lemon Mayo?

Prawn & Lemon Mayo has 2.4 g of sugars per 100 g, which is considered low by UK front-of-pack guidelines.

Is Prawn & Lemon Mayo healthy?

It has a Nutri-Score of C (A is best, E is worst); it is in NOVA group 4 — ultra-processed food. Scores describe nutritional quality and processing, not suitability for your individual diet.

Is Prawn & Lemon Mayo vegan?

Based on its ingredient list, it is not vegan.

What allergens does Prawn & Lemon Mayo contain?

According to the label data it contains: Crustaceans, Eggs, Gluten, Milk, Mustard, Soybeans. Recipes change — always check the package label.

Source: Open Food Facts (ODbL). Last updated March 27, 2026. Spotted a mistake? Edit this product on Open Food Facts. Not medical advice — always check the package label.

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