Greggs Custard Slice Price 2026
The custard slice divides opinion like few other Greggs items. Layers of flaky pastry, thick vanilla custard and a slab of fondant icing on top. It is gloriously old fashioned, unapologetically sweet, and it has survived every menu cull for a reason.
How much is a custard slice in 2026?
A Greggs custard slice costs around £1.55 at a standard high street shop in 2026. In central London expect about £1.80, and at airport or service station franchise stores around £2.00.
For something this substantial, that is strong value. It is one of the biggest single sweet items on the counter, and it eats like a proper dessert rather than a snack.
What is in it?
The Greggs custard slice is built in three layers. Puff pastry top and bottom, baked until crisp and golden. A thick layer of vanilla flavoured custard in the middle, set firm enough to slice cleanly. And a smooth white fondant icing top, sometimes with a feathered pattern.
It is rich, creamy and very sweet. This is not a subtle pudding. Fans love it precisely because it does not hold back.
Calories
A custard slice contains about 350 calories, making it one of the heavier sweet treats on the menu. The pastry and custard combination is filling, and most people find one slice is plenty. If you are watching your intake, consider sharing one or saving half for later.
It contains gluten, milk and egg, so it is unsuitable for vegans and anyone with those allergies.
The great custard slice debate
Ask Greggs fans about the custard slice and you will get strong opinions. Devotees say the custard to pastry ratio is perfect and the icing sets it apart from supermarket versions. Sceptics find it too sweet or too stodgy.
The truth is probably that it is a nostalgia purchase. It tastes like the bakery treats of childhood, and that is exactly the point. If you grew up with custard slices from a local bakery, the Greggs version will hit the spot.
How to eat one properly
This matters more than you might think. The fondant top can slide, and the custard can escape out the sides. Experienced hands eat it in a few confident bites rather than nibbling daintily. A napkin is essential. Eating it over the bag it came in is the professional move.
Some people chill theirs first, which firms up the custard and makes it easier to handle. Worth trying if you are taking one home.
Is it worth £1.55?
Compared to a custard slice from a high street patisserie, which can easily cost £3 or more, the Greggs version is a bargain. It is not refined, but it is generous, fresh and satisfying. For fans of traditional British bakery treats, it remains one of the best value desserts on the high street.
Greggs Menu Prices is an independent fan site, not affiliated with Greggs plc. Prices checked October 2026 and may vary by location.
