Slow Cooker Sweet & Sour Chicken

Slow cooked tender chicken strips, vegetables and pineapple chunks in an easy homemade sweet and sour sauce. The kids will love it!

Slow Cooker Sweet & Sour Chicken

It's turned a bit chilly here in Cornwall over the last few days, and when the weather turns cold, I turn to my trusty slow cooker for meal inspiration. This yummy sweet and sour chicken recipe is made in the slow cooker, but the sauce is finished on the hob to get that beautiful glossy sheen. It really is very easy but more importantly super tasty.

I love my slow cooker (I think I might have mentioned that before!). Such little effort needed for great tasting food in return. However, I've always had a bit of an issue getting a sweet and sour sauce just right. When I've made it in the slow cooker previously, it's turned out a bit watery (still tastes great though). This time I decided to reduce the sauce on the hob with a cornflour paste and a bit of sweet chilli sauce, to help thicken it. It made a huge difference to the finished dish and was well worth the extra 5 minutes of effort just before serving up.

Slow Cooker Sweet & Sour Chicken

Tried and Tested Slow Cooker Recipes 

Before I let you in on the secret recipe, it's probably a good time to tell you that I have lots more slow cooker recipes on the blog. All equally yummy and take just minutes of preparation. Here are some of my favourites.
Slow Cooker Bolognese

Slow Cooker Chicken and Sweet Potato Korma

Slow Cooker BBQ Pulled Chicken

Step By Step Slow Cooker Sweet & Sour Chicken

Back to the recipe and this slow cooker sweet and sour chicken couldn't be easier to make. Firstly, place your chopped veggies at the bottom of the slow cooker basin. You can use any veggies you like, but I used carrots, peppers, onions and garlic. Keeping it simple for the kids is the way to go...unless you have very unfussy kids.

Veggies for the Slow Cooker Sweet and Sour
Then cut the chicken into bitesize pieces, coat in a little flour and place into the basin on top of the veggies.


The sweet and sour sauce is made from a mixture of cider vinegar, soy sauce, tomato puree, sugar, pineapple juice and stock. Just mix it together in a saucepan before pouring on top of the chicken and veggies.

Sweet and Sour Sauce
Once everything is in, pop it on low for between 6 - 8 hours and add the pineapple chunks right at the end (to stop them turning to mush). As I mentioned before, once it's cooked I remove the chicken and veggies to a plate and pour the sauce into a saucepan, adding 3 tbsp of sweet chilli sauce and a paste made from cornflour and water. Whisk the sauce over a medium high heat until it comes to the boil and starts to thicken. Then you just continue to cook it until you get your desired consistency.

Thickening Granules

It's worth mentioning the thickening granules I sometimes use in place of cornflour, to thicken sauces. You can usually find them by the gravy and stock cubes in the supermarket. You just add the required number of teaspoons based on the volume of liquid you have and just like magic it thickens up almost instantly. If you see the thickening granules when you're next in the supermarket, I'd definitely give them a go!

Slow Cooker Sweet & Sour Chicken

Top Tips For Making Slow Cooker Sweet & Sour Chicken

  • If you like your food hot, add a chopped red chilli along with the vegetables.
  • The recipe can be easily doubled to feed a crowd.
  • Alternatively the sweet and sour chicken freezes well too, so why not make double and freeze half for another day?
  • Make it veggie by omitting the chicken and adding extra vegetables.
  • Serve the sweet and sour chicken with long grain rice.
Slow Cooker Sweet & Sour Chicken

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Sweet and Sour Chicken in the Slow Cooker

Slow Cooker Sweet & Sour Chicken

Slow Cooker Sweet and Sour Chicken
Slow Cooker
Slow Cooker
Yield: 4

Slow Cooker Sweet & Sour Chicken

prep time: 15 minscook time: 8 hourtotal time: 8 hours and 15 mins
An easy slow cooker sweet and sour chicken recipe with red peppers, carrots, pineapple.


  • 400g tin Pineapple rings in juice (you need 2 rings (chopped) and all juice reserved for this recipe)
  • 1 Carrot, peeled and cut into batons
  • 1 Red Pepper, cut into strips
  • 1 Onion, sliced
  • 2 Garlic Cloves, chopped
  • 2cm Ginger, peeled and chopped
  • For the sauce:
  • Reserved juice from the tin of pineapple
  • 2 TBSP Dark Brown Sugar
  • 1 TBSP Tomato Puree
  • 50ml Cider Vinegar
  • 1 TBSP Soy Sauce
  • 1 Chicken Stock Pot
  • Other ingredients:
  • 4 Chicken Breasts, cut into chunks
  • 1 TBSP Plain Flour
  • 3 TBSP Sweet Chilli Sauce
  • 1 TBSP Cornflour plus enough water to make a thick paste
  • 2 Spring onions, chopped to garnish plus 1 TBSP sesame seeds.


  1. Place the carrot, pepper, onion, garlic and ginger at the bottom of the slow cooker.
  2. Toss the chicken with 1 TBSP flour and place in the slow cooker.
  3. Make the sauce by whisking together the sugar, tomato puree, cider vinegar, soy sauce, pineapple juice and stock pot and add 2 TBSP boiling water to melt the stock pot. Pour onto the chicken and veggies.
  4. Cook on low for 6-8 hours. Stir through the pineapple chunks then spoon the chicken and veggies onto a plate. Pour the sauce into a saucepan on a medium high heat on the hob. Mix in 3 TBSP of sweet chilli sauce and the cornflour paste and whisk until the sauce boils. Keep stirring until you get the desired consistency. Spoon the chicken and veggies back into the sauce and serve with rice, chopped spring onion and sesame seeds.


Nutrition is for 1 serving.
fat (grams)
sat. fat (grams)
carbs (grams)
protein (grams)
sugar (grams)

Slow Cooker Chilli Con Carne

This slow cooker beef chilli is probably my favourite slow cooker meal of all time, although this sweet and sour chicken is going to run it pretty close I think. 

Slow Cooker Chilli Con Carne

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Beth Sachs (Jam & Clotted Cream)

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