Who these choices suit

Shoppers who need a tin

If a ready-to-eat tin is part of the breakfast plan, check the container as well as the fat figure. Joybuy UK lists Ambrosia Low Fat Custard in a 400g tin with 2.0g fat per 100g.

People comparing nutrition labels

If a pack is acceptable instead, compare fat and sugars per 100g rather than relying on the word “lighter”. Sainsbury’s and ASDA list ready-to-serve alternatives with different figures for each.

People planning portions and leftovers

A 400g tin or 500g pack may need more than one serving. Check the milk allergen statement and opened-pack instructions before choosing a size; Joybuy UK says the opened Ambrosia tin needs refrigerating and using within three days.

What matters when choosing

Decide whether the container must be a tin, then compare nutrition on the same per-100g basis and check how much custard you can use after opening.

ConcernWhat to checkWho this matters to
A lower-fat tin Confirm the container is a tin and read fat per 100g on the current label. If I want custard straight from an ambient tin for breakfast, a carton will not meet that need. About 50% of consumers put the lower-fat tinned format first.
Fat and sugars Compare fat and sugars per 100g separately; use the same basis for each product. When the container can be a pack, I want to see what changes beyond the fat claim. For about 30% of consumers, comparing the nutrition figures is the primary concern.
Portions and handling Check net quantity, the milk allergen statement and instructions for opened packs. If breakfast uses only some of the custard, I need a plan for the rest; milk ingredients may also rule out a product. Managing portions, allergens and leftovers comes first for about 20% of consumers.

Checks before you buy

  • Treating “lighter” and “low fat” as interchangeable

    Front-of-pack wording does not tell you everything about sugars or the finished serving. Sainsbury’s lists 1.5g fat and 11.8g sugars per 100g for its Lighter Custard; ASDA lists 1.4g fat and 12g sugars per 100g for its 30% Less Fat Custard.

    Compare the current per-100g fat, sugars and energy figures for the products you are considering.

  • Choosing a pack when you need a tin

    A ready-to-serve custard can fit the meal without meeting a tinned-custard requirement. The Ambrosia Low Fat product is a 400g tin, while the Sainsbury’s and ASDA alternatives described here are 500g packs.

    Confirm the container and net quantity before checkout.

  • Overlooking milk and opened-pack instructions

    The Ambrosia, Sainsbury’s and ASDA products described here contain milk. Joybuy UK and Sainsbury’s instruct shoppers to refrigerate their respective custards after opening and use them within three days.

    Read the current allergen and storage labels, and consider whether you will use the remaining custard in time.

Brands to consider

Ambrosia

Ambrosia Low Fat Custard 400g is a ready-to-eat tinned option listed by Joybuy UK.

  • The listing gives 2.0g fat and 7.4g sugars per 100g.
  • It contains milk; refrigerate leftovers and use within three days of opening.

Sainsbury’s

Sainsbury’s Ready To Eat Lighter Custard is a 500g pack to consider when a tin is not required.

  • Sainsbury’s lists 1.5g fat and 11.8g sugars per 100g.
  • It contains milk and needs refrigerating and using within three days after opening.

ASDA

ASDA 30% Less Fat Custard is a ready-to-serve 500g alternative rather than a confirmed tinned option.

  • ASDA lists 1.4g fat and 12g sugars per 100g.
  • Its ingredient information lists milk; check the current pack if avoiding it.

Bird’s

Bird’s custard powder, listed in Sainsbury’s custard assortment, is for making custard rather than serving it straight from a tin.

  • It offers a preparation route if ready-to-eat convenience is not the priority.
  • The finished nutrition depends on the recipe and ingredients used.

Joybuy custard selections

These choices cover a low-fat tin and a larger ready-to-serve carton for shoppers who do not need the tinned format.

Ambrosia Low Fat Custard 400g tin

Ambrosia Low Fat Custard 400g

For a breakfast where a ready-to-eat tin matters, this 400g Ambrosia product is the tinned choice. Joybuy UK lists 2.0g fat and 7.4g sugars per 100g. It contains milk; refrigerate leftovers and use within three days of opening. Transfer the custard to a microwaveable container before microwave heating.

View on Joybuy
Ambrosia Light Devon Custard 1kg

Ambrosia Light Devon Custard 1kg

Consider this 1kg ready-to-serve carton if the breakfast calls for more custard and a tin is not essential. It contains milk; refrigerate it after opening and use within three days. Check the current nutrition label if comparing it with the 400g tin.

View on Joybuy

Common questions

Does low-fat custard also have less sugar?

Not necessarily: check sugars separately on a per-100g basis. Joybuy UK lists 7.4g sugars alongside 2.0g fat per 100g for Ambrosia Low Fat Custard; Sainsbury’s and ASDA list different figures for their ready-to-serve products.

Can I microwave Ambrosia Low Fat Custard in its tin?

No. Joybuy UK’s instructions for Ambrosia Low Fat Custard 400g say to transfer it to a microwaveable container before heating; follow the pack’s heating directions.

How long can I keep custard after opening?

Joybuy UK says to refrigerate the opened Ambrosia Low Fat Custard tin and use it within three days. Sainsbury’s gives the same period for its Lighter Custard pack. Follow the instructions on the product you buy.

Are these ready-to-eat custards suitable if I avoid milk?

The Ambrosia Low Fat, Sainsbury’s Lighter and ASDA 30% Less Fat custards described here list milk. Check the current allergen statement for any product you are considering.