Sainsbury's

Custard Slice — Calories, Nutrition & Ingredients

90g (×2) UPC 1043686 Custards and pastry creams Updated 16 Oct 2026

Custard Slice
Photo: Open Food Facts contributors, CC BY-SA 3.0
Calories
255per serving
Protein
3.2 gper 100 g
Carbs
41.6 gper 100 g
Fat
11.3 gper 100 g

Where to buy

Find on Amazon
Paid links: we may earn a commission at no extra cost to you. As an Amazon Associate I earn from qualifying purchases. About these links

Per serving (90 g): 255 calories. Per 100 g: 283 calories, 3.2 g protein, 11.3 g fat.

Label highlights: Fat: medium Saturates: high Sugars: high Salt: low HFSS

Red means high in the UK front-of-pack traffic-light system. These colours are our calculation from the declared values, not a label on the pack. In this product:

  • Saturates: 6 g per 100 g (red above 5 g)
  • Sugars: 27.50 g per 100 g (red above 22.50 g)
Calculated from the nutrition data on file; check the package label. How the traffic-light colours work »

Nutrition

Portion size: 90 g

Per 100 gPer portion (%RI*)
Energy 1184 kJ / 283 kcal 1066 kJ / 255 kcal (13%)
Fat 11.3 g 10.2 g (15%)
of which saturates 6 g 5.4 g (27%)
Carbohydrate 41.6 g 37.4 g (14%)
of which sugars 27.5 g 24.8 g (28%)
Fibre 0.9 g 0.8 g
Protein 3.2 g 2.9 g (6%)
Salt 0.30 g 0.27 g (5%)

*Reference intake of an average adult (8400 kJ / 2000 kcal)

Calculated from Open Food Facts per-100 g data for the stated serving; values may differ slightly from the package label because of rounding.

Per 100 g and custom amounts

Nutrition per amount

283 calories in 100 g
Protein3.2 g
Carbohydrates41.6 g
Sugars27.5 g
Added sugars19.4 g
Fibre0.9 g
Fat11.3 g
Saturated fat6 g
Sodium120 mg

Data: Open Food Facts (ODbL) · Photo: Open Food Facts contributors (CC BY-SA)

Where to buy Custard Slice

Search Amazon for this product. Stock and prices vary by store and location.

Find on Amazon
Paid links: we may earn a commission at no extra cost to you. As an Amazon Associate I earn from qualifying purchases. Prices and availability are set by the retailer. About these links

Ingredients

British cream, Butter, Calcium carbonate, Calcium sulphate, Carotene, Cereals containing gluten, Cocoa butter, Colour - color, Concentrated lemon juice, Corn starch, Cow's milk, Custard, Dehydrated glucose syrup, Dextrose, E440a, Emulsifier, Flavouring, Flour treatment agent, Fortified wheat flour, Gelling agent, Invert sugar syrup, Iron, L-cysteine, Lecithin, Lutein, Milk protein concentrate, Nicotinic acid, Palm stearin, Pectins, Rapeseed oil, Salt, Sodium alginate, Soya flour, Soya lecithin, Stabiliser, Sugar, Tetrasodium diphosphate, Thiamin, Water, White chocolate

Frequently asked questions

How many calories are in Custard Slice?

Per 100 g of Custard Slice there are 283 calories.

How much protein is in Custard Slice?

Per 100 g of Custard Slice there are 3.2 g protein.

How many carbohydrates are in Custard Slice?

Per 100 g of Custard Slice there are 41.6 g carbohydrates. Of which 27.5 g sugars.

How much sugar is in Custard Slice?

Per 100 g of Custard Slice there are 27.5 g sugars.

How much sodium (salt) is in Custard Slice?

Per 100 g of Custard Slice there are 120.0 mg sodium. UK guidance is for adults to eat no more than 6 g of salt (about 2,400 mg of sodium) a day.

How much fibre is in Custard Slice?

Per 100 g of Custard Slice there are 0.9 g fibre. Fibre is important for digestive health.

What are the main ingredients in Custard Slice?

The main ingredients in Custard Slice are: British cream, Butter, Calcium carbonate, Calcium sulphate, Carotene.

Compare with another product Calculate your portion →

Similar products

From the same category

Shortcrust Cherry Pie M&s Shortcrust Cherry Pie 283Calories 4Protein 10.4Fat Billionaire's Pots Marks and Spencer Billionaire's Pots 380Calories 3.3Protein 22.7Fat Peach slices Del Monter Peach slices 64Calories 0.4Protein 0Fat Chocolate Fudge Cake Marks & Spencer Chocolate Fudge Cake 406Calories 6.1Protein 19.3Fat Choc iced dessert Sainsbury's Choc iced dessert 175Calories 1.8Protein 11.1Fat Fruit Crumble Biscuits Weight Watchers Fruit Crumble Biscuits 374Calories 3.6Protein 10.3Fat

Level of processing

5
Ultra-Processed
40 ingredients · 11 food additives
UnprocessedUltra-processed

Nutrition breakdown

Macronutrients

Types of fat

Related guides

Learn more about nutrition and food labels:

All guides →

Browse products by nutrient

Find products by calories, protein, sugar and more:

Products by nutrient By calories By protein Low sugar Low sodium

More from Sainsbury's

Nutrition facts for other products from Sainsbury's:

All Sainsbury's products →