The first thing you need to consider with any slow cooker is its capacity – each will list its bowl size in litres. Bear in mind that this won’t translate to the same amount of food, as you shouldn’t fill slow cookers to the brim. This gap allows your food to bubble and simmer properly. The usable cooking space will be around three-quarters of its bowl size, for example, a five-litre cooker can accommodate around four litres of food. Slow cookers with digital controls may also have a delay start, which is ideal if you’re out of the house for more than eight hours. This means you can start cooking at a time to suit you – while it’s hard to overcook recipes with a lot of liquid, this gives more freedom with dishes that could potentially start to dry out. A timer is another handy feature – this will either turn the machine off after cooking or put it into a limited time keep warm mode.

The 3.7 litre capacity is the ideal size for couples and smaller families. After cooking, the removable stoneware pot can be taken straight to the table for serving, and if you have leftovers, it can also be stored in the fridge or freezer. Most slow cookers will have similar standard controls – high heat for meals cooked in less than a few hours, low heat for all-day cooking. A 'keep warm' mode should hold food at a serveable temperature without actually cooking it. Some cookers will switch to 'keep warm' automatically after an elapsed cooking time, while more basic models need this altered manually. Slow cookers are also brilliant for less-than-confident cooks, easily creating all those meals that seem a bit scary on the hob. That’s because slow cooking develops the flavours of food for richer, tastier results. It’s not just dinners that slow cookers excel at making either. They make great porridge, granola, stewed apples, bread and butter pudding, fudge and dips. You can use your slow cooker to melt chocolate, as a Bain-marie. How much should I spend on a slow cooker? Removable stoneware ceramic bowl - ideal for serving at the table and dishwasher-safe for easy cleaningAn increasingly popular way of cooking, sous-vide is a French term that simply means ‘under vacuum’. You place your food inside a sealed pouch and then pop it into a temperature-controlled water bath to cook.

The Ninja Foodi Multi-Cooker is certainly mighty, but if you like your gadgets it could be a great investment. You can of course just use this multi-cooker as a slow cooker, for which it has a generous 6 litre capacity, but you can also take advantage of the sear setting to brown meat and veggies before slow cooking for a more rich flavour. You can place the cooking pot in the dishwasher or wash by hand fairly easily. The Ninja Foodi Multi-Cooker also has a basket insert and can be used to air fry other treats when not in use as a slow cooker. Is this the future of slow cooking? We think so. They also calculate the energy consumed by each model to see how economical they are, and measure the moisture lost when cooking to ensuring your dinner won't end up dried out. You can activate a keep warm setting to keep your food ready for as long as six hours after your cooking mode has finished. The sear mode took only a few minutes to pre-heat and we were able to brown our onions before adding curry ingredients, which delivered a lot of extra flavour.The slow cooker's 'reduce' function was useful for bubbling away excess liquid after slow cooking. Slow cookers are nifty appliances that do all the cooking for you, so you can whip up scrumptious meals without spending hours working away behind a stove.Unwanted Food or Drink Products - Once supply conditions are broken, there are a number of factors outside of our control that can affect the quality of a product. Therefore perishable goods such as food and drink cannot be returned. The Russell Hobbs Good to Go Multicooker is a true multi-tasker. Armed with a variety of capabilities, you can make sure that your meat is cooked just right before you cut it open, or fill up a water bath for succulent sous vide fish or veggies. This digital slow cooker comes with a removable control dial on its front control panel, which has pre-set modes for steaming and stewing as well as high and low manual temperature levels. There is also a keep warm mode. It's also economical: the slow cooking process tenderises cheaper cuts of meat, and because you're not having to heat your whole oven to cook your dish, it saves energy too.