Who each size suits

Small-batch stock makers

If you make vegetable stock for one or two people or for immediate use, a compact 1.5L cooker may be enough. Lakeland positions its 1.5L model for smaller portions; check your recipe volume if you also want stock to freeze.

Freezer-batch stock makers

If one small pot will not produce enough stock for later meals, compare larger bowls with the space available on your worktop. Crock-Pot lists a 3.5L bowl and an adjustable timer for its CSC113X model.

One-appliance kitchen organisers

If you would use pressure cooking, sautéing and steaming as well as slow cooking, a multi-cooker could take the place of separate appliances. Instant Pot lists those functions for its Classic Mini 3.8L; measure it before treating it as a space-saving choice.

What matters when choosing

Start with the space the cooker can occupy during a long stock cook, then choose a bowl size for the quantity you intend to make. Extra controls or cooking functions are useful only if they address a task you will actually use them for.

Concern What to check Who this matters to
Worktop space Compare the full height, width and depth with your available space, including room to lift the lid. The product information lists the Cookworks 1.5L at H23.3 × W21 × D20.3cm. When I make only a little stock, I need a cooker that fits on a crowded worktop, even if that limits each batch; around 50% of consumers would put footprint first.
Batch size and timing Allow for both vegetables and liquid when choosing bowl capacity. For timed cooking, Crock-Pot lists a 30-minute-to-20-hour timer and automatic Keep-Warm on the 3.5L CSC113X. If I make stock to freeze, I want a larger batch without having to watch the clock closely; roughly 30% of consumers would make batch size and timing their main priority.
Multiple cooking functions Check which functions you would use and measure the appliance itself. Instant Pot lists slow cook, sauté and pressure cook on the Classic Mini 3.8L, measuring 31.8 × 35.1 × 25.6cm (D × W × H). When several appliances compete for the same space, I would use other cooking modes as well as slow cooking; about 20% of consumers would prioritise combining those functions.

Mistakes to avoid

  • Choosing by litres without measuring the cooker

    Bowl capacity tells you how much the cooker holds, not how it will fit on a crowded worktop. The product information lists the Cookworks 1.5L at H23.3 × W21 × D20.3cm, while Instant Pot lists its Classic Mini 3.8L at 31.8 × 35.1 × 25.6cm (D × W × H).

    Measure the intended position and storage space, then allow room to lift the lid when comparing each model’s dimensions.

  • Assuming a removable pot can go on the hob

    The product information states that the Cookworks 1.5L inner pot is not suitable for hob or oven use. Instant Pot instead lists a sauté function on its Classic Mini multi-cooker.

    If you want to sauté vegetables before slow cooking, check the exact model’s functions and pot-use instructions rather than relying on the fact that its pot is removable.

    With the Cookworks model, sautéing vegetables separately requires another suitable pan.

  • Treating Keep-Warm as a cooking check

    Crock-Pot lists automatic Keep-Warm for the CSC113X, but the setting does not establish that food has finished cooking. Food Standards Agency guidance emphasises cooking food for the appropriate time and temperature.

    Follow the cooker’s programme instructions, check the finished stock before serving and handle leftovers safely rather than relying on the display setting alone.

  • Overlooking the electrical version

    Electrical Safety First advises that slow and pressure cookers for UK use should have a UK 3-pin plug and fuse. A similar-looking model sold for another market may differ in its electrical fittings.

    Check the plug, fuse, voltage and exact model version before buying; do not judge electrical compatibility from a product photograph.

Brands to consider for this choice

Lakeland

Lakeland positions its 1.5L slow cooker for smaller portions and one or two people.

  • Its listed model has low, high and auto settings, plus a dishwasher-safe ceramic pot and glass lid.
  • The 1.5L bowl may be restrictive if you want several portions of stock from one cook.

Crock-Pot

Crock-Pot’s CSC113X is a dedicated 3.5L slow cooker to consider when batch size and timed cooking matter more than choosing a mini bowl.

  • Crock-Pot lists a 30-minute-to-20-hour timer, automatic Keep-Warm and a dishwasher-safe removable bowl and lid.
  • Check its full dimensions if worktop space is tight; bowl capacity alone will not tell you whether it fits.

Instant Pot

Instant Pot’s Classic Mini 3.8L is a multi-cooker option when slow cooking needs to share an appliance with other cooking tasks.

  • Instant Pot lists seven functions, including slow cook, sauté, steam and pressure cook.
  • Its listed dimensions are 31.8 × 35.1 × 25.6cm (D × W × H); using its pressure-cooking functions also requires following the model’s instructions.

Cookworks

The Cookworks 1.5L model is intended for one-to-two-person portions and is worth measuring for a tight worktop.

  • The product information lists dimensions of H23.3 × W21 × D20.3cm and three heat settings, including Keep-Warm.
  • Its removable ceramic bowl is hand-wash only and is not suitable for the hob or oven.

Joybuy products

Related products coming soon.

Common questions

Is a 1.5L slow cooker enough for vegetable stock?

A 1.5L cooker can suit a small quantity of vegetable stock, but compare your recipe volume with the bowl before buying. Lakeland describes its 1.5L model as suitable for smaller portions, and the product information suggests one to two portions for the Cookworks 1.5L; a larger bowl may suit stock you intend to freeze in several portions.

Will a multi-cooker save more worktop space?

A multi-cooker may save space overall if you use its other functions instead of keeping separate appliances, but it need not occupy less worktop space than a dedicated slow cooker. Instant Pot lists the Classic Mini 3.8L at 31.8 × 35.1 × 25.6cm (D × W × H); the product information lists the Cookworks 1.5L at H23.3 × W21 × D20.3cm.

What should I check before a long slow cook?

Use the cooker according to its instructions and check its electrical fittings and condition before starting. Electrical Safety First advises checking for a UK 3-pin plug and fuse and signs of damage around the plug, socket and cable; follow Food Standards Agency guidance on thorough cooking and safe handling of leftovers.

Can I sauté vegetables in the removable slow-cooker pot?

Only if the exact model’s instructions permit the method you plan to use. The product information says the Cookworks 1.5L inner pot is not hob- or oven-safe; if cooking in the same appliance matters, check for a stated sauté function, such as the one Instant Pot lists for its Classic Mini.