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Custard Slice — Calories, Nutrition & Ingredients

UPC 231010002993 Updated 16 Oct 2026

Calories
183per 100 g
Protein
1.6 gper 100 g
Carbs
39 gper 100 g
Fat
2.1 gper 100 g

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Per 100 g, Custard Slice has 183 calories, 1.6 g protein and 2.1 g fat.

Label highlights: Fat: low Saturates: low 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:

  • Sugars: 34 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

Per 100 g
Energy 766 kJ / 183 kcal
Fat 2.1 g
of which saturates 1.3 g
Carbohydrate 39 g
of which sugars 34 g
Protein 1.6 g
Salt 0.00 g

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

183 calories in 100 g
Protein1.6 g
Carbohydrates39 g
Sugars34 g
Fat2.1 g
Saturated fat1.3 g
Sodium0.3 mg

Ingredient flags

Ingredient list not available — flags cannot be shown.

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

Where to buy Custard Slice

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Frequently asked questions

How many calories are in Custard Slice?

Per 100 g of Custard Slice there are 183 calories.

How much protein is in Custard Slice?

Per 100 g of Custard Slice there are 1.6 g protein.

How many carbohydrates are in Custard Slice?

Per 100 g of Custard Slice there are 39.0 g carbohydrates. Of which 34.0 g sugars.

How much sugar is in Custard Slice?

Per 100 g of Custard Slice there are 34.0 g sugars.

How much sodium (salt) is in Custard Slice?

Per 100 g of Custard Slice there are 0.28 mg sodium. UK guidance is for adults to eat no more than 6 g of salt (about 2,400 mg of sodium) a day.

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Nutrition breakdown

Macronutrients

Types of fat

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