Crockpot Portable Electric Lunch Box Review UK 2026
Quick verdict
Score: 8.4/10
Best for: Hands-off, economical home cooking - stews, curries, casseroles and batch meals
Not for: Fast cooking or anyone wanting a pressure cooker or multi-cooker
Bottom line: A practical slow cooker for easy, budget-friendly slow-cooked meals.
Overall, the Crock-Pot Portable Electric Lunch Box is designed for carrying a warm meal on the go, with a 20 oz capacity and a Black Liquorice finish. It suits people who want a compact container for daily lunches and prefer this slow cooker brand. The 20 oz size supports portion control, but it may feel limited for larger appetites, and the Black Liquorice colour is understated while personal style preferences vary.
Key specifications
| Specification | Value Notes |
|---|---|
| Brand | Crock-Pot Not specified otherwise |
| Product | Portable Electric Lunch Box For on the go |
| Capacity | 20 oz Exact measurement stated |
| Colour/Finish | Black Liquorice Exact finish stated |
Pros
- Very cheap to run - far less power than an oven
- Hands-off cooking - set it and leave it
Cons
- Slow by design - meals take several hours, not minutes
- Not a pressure cooker or multi-cooker - one job, done well
- Manual dial only - no countdown timer
Capacity and Who It Suits
With a capacity of 20 oz, the Crock-Pot Box is designed for people who need a compact meal solution that fits into smaller day-to-day routines, such as bringing lunch for work, school or travel. The 20 oz size is suitable for side dishes, soup portions or a single main meal, while multi-container packing or larger appetites may require a bigger capacity. The black liquorice colour is intended for those who prefer a dark, neutral look. This model suits individuals who want fewer steps and households that portion meals in advance. For group meals, larger-capacity options are more practical.
Cooking Performance and Settings
Cooking performance and settings determine how consistently the slow cooker heats a 20 oz meal for on-the-go lunches. For a 20 oz portion, the key variable is how the available heating modes manage warm-up time and steady temperature during transport. The unit is designed for pre-cooked food, so results depend on whether the meal starts hot or cold, since heat needs to be rebuilt gradually. More even results are expected when meals are placed within the 20 oz capacity range, rather than overfilled. Slower heating can be noticed with thicker dishes, like stews, compared with lighter items.
Pot, Lid and Ease of Cleaning
Because the Crock-Pot is built around a 20 oz capacity, the pot and lid design influence how well meals stay contained during travel and how straightforward cleaning is afterwards. The pot's size supports portion control, but spills can spread quickly if the lid is not fully seated. For cleaning, allow the unit to cool, then remove the inner pot if the design allows, and wipe the lid surface with a damp cloth. Any stubborn residue should soak briefly, then be rinsed and dried completely to help prevent lingering odours.
Running Cost and Everyday Use
For everyday use, the slow cooker is designed to hold up to 20 oz of food, helping it match common lunch portions within the unit's capacity. It is intended for reheating or keeping prepared meals ready during day-to-day routines at work, school, or while travelling, where portability matters. Proper portioning is also important, as overfilling can reduce even heating and may spill while carrying.
Who Is This Slow Cooker For?
Who is this slow cooker really for? The Crock-Pot Portable Electric Lunch is aimed at people who want warm meals when away from home, particularly where using a standard kitchen slow cooker is impractical. Its 20 oz capacity makes it more suitable for personal portions, which aligns with commuters, students, and shift workers. This compact size may be less ideal for larger households because 20 oz limits batch cooking, and the lack of setting-specific performance details means results can vary depending on use conditions. It works best when meals are portioned first, then reheated for on-the-go use, and it requires consistent food-safety handling to keep food hot.
Where to Buy in the UK
Finding the Crock-Pot in the UK is easiest through major retailers and the brand's official sales channels, because these sources are more likely to list the correct colour and capacity (20 oz, black liquorice) with clear ordering details. Shoppers can check the official The slow cooker website first, then compare availability at Amazon UK, John Lewis, Currys, AO, and Argos. Third-party marketplaces may offer bundles or faster delivery, but product listings can vary, so the buyer should confirm the exact product title and size before checkout. If a retailer lists a different oz or colour, the safest choice is to skip it.
Frequently Asked Questions
Is the Crock-Pot worth it?
For hands-off, budget-friendly cooking, the slow cooker is a great buy - you add ingredients in the morning and come home to a cooked meal. Slow cookers are cheap to run and easy to use. Check the current Amazon UK price, as slow cookers are often on offer.
How does a slow cooker work?
A slow cooker cooks food gently at a low temperature over several hours (typically 4-10), which tenderises cheaper cuts of meat and develops flavour. You add everything to the pot, set it to Low or High, and leave it - no stirring or watching needed.
Is this slow cooker cheap to run?
Yes - slow cookers use very little electricity, far less than an oven, despite running for hours, because they draw low power. That makes them one of the most economical ways to cook a hot meal, which is a big part of their appeal.
Can you leave a slow cooker on all day?
Yes - slow cookers are designed to run unattended for hours, which is the whole point. As with any appliance, place it on a heatproof surface away from walls, don't overfill it, and follow the manual. Many people set them before work and leave them on Low.