Crockpot Sweet and Sour Chicken (Just 10 Minutes Prep)
This crockpot sweet and sour chicken gives you tender chunks of chicken in a sticky, tangy sauce with peppers, onion, and pineapple. The slow cooker does the heavy lifting, so you get a hands-off dinner that tastes like you spent way more time on it.
The sauce is the real reason I make this. It hits that perfect balance of sweet from brown sugar and pineapple, sharp from rice vinegar, and a savory backbone from soy sauce and ketchup. It clings to every piece of chicken and softens the peppers just enough that they still have a little bite.
What Makes This Crockpot Chicken a Weeknight Win
The prep is the quick part. You cut up the chicken and a couple of peppers, whisk the sauce together, and that’s it. The slow cooker takes over from there, so you can walk away and come back to dinner ready.
I use boneless thighs because they stay juicy even after a long cook. Breast meat works too, but thighs are more forgiving. The sauce starts out as a simple pantry mix and thickens into something that coats everything without turning gloppy. You will see why I keep this one in the rotation.
Ingredients
- 1 1/2 lbs boneless skinless chicken thighs, cut into 1 inch pieces: thighs stay tender, but chicken breast works if that is what you have
- 2 tbsp vegetable oil: for searing, just enough to get a quick brown
- 1 red bell pepper, cut into chunks
- 1 green bell pepper, cut into chunks
- 1 small yellow onion, cut into chunks
- 1 cup canned pineapple chunks, drained: save a little juice if you like a sweeter sauce
- 1/2 cup ketchup
- 1/3 cup packed brown sugar: light or dark both work
- 1/4 cup rice vinegar: for tang, do not swap with a milder vinegar or you lose the sharpness
- 2 tbsp soy sauce: use tamari if you need it gluten free
- 2 cloves garlic, minced
- 1 tsp grated fresh ginger
- 2 tbsp cornstarch: for the slurry that thickens the sauce at the end
- 2 tbsp water: to mix with the cornstarch
- Sliced green onions and sesame seeds: for serving, totally optional
Variations
- Swap the protein: extra-firm tofu cubes work; just keep the cooking times the same.
- Fresh pineapple: use an equal amount, but know the enzymes can make the chicken a bit softer if it sits in the sauce too long.
- Add heat: a sliced jalapeño or a teaspoon of sriracha in the sauce gives it a nice kick.
- Extra veggies: snap peas or broccoli florets added in the last 30 minutes stay crisp and bright.
You might also like our slow cooker orange chicken when you want a citrusy twist.
How to Make Crockpot Sweet and Sour Chicken
Step 1: Whisk the Sauce
In a medium bowl, combine the 1/2 cup ketchup, 1/3 cup brown sugar, 1/4 cup rice vinegar, 2 tbsp soy sauce, minced garlic, and grated ginger. Whisk until the sugar dissolves and the mixture looks smooth. Set it aside.
It will smell sharp and sweet right away. The ginger and garlic come through even before it cooks, and that is a good sign.
Step 2: Sear the Chicken
Heat the 2 tbsp vegetable oil in a large skillet over medium-high heat. Pat the chicken pieces dry, season them lightly with salt, then place them in the hot oil in a single layer. Cook for about 3 minutes, until the bottoms turn golden, then give them a stir and let another side brown for another 2 minutes. You are not cooking them through, just getting a quick crust.
The chicken will release easily when it is ready to turn. If it sticks, give it another 30 seconds. That little bit of color adds depth to the finished dish.
Step 3: Load the Crockpot
Transfer the seared chicken to your slow cooker. Add the red and green bell pepper chunks, the onion chunks, and the 1 cup drained pineapple chunks. Pour the whisked sauce over everything and gently toss so the chicken and vegetables get coated.
The sauce will look thin at this point. That is exactly how it should be. It will concentrate as it cooks and then get thicker later.
Cover and cook on HIGH for 2 1/2 to 3 hours, or on LOW for 4 to 5 hours. The chicken should be tender enough to cut with a spoon, and the peppers will have softened but still hold their shape.
Step 4: Thicken the Sauce
In a small bowl, stir together the 2 tbsp cornstarch and 2 tbsp water until no lumps remain. Turn the slow cooker to HIGH if it was on LOW, then pour this slurry into the sauce while stirring gently. Cover and let it cook for another 15 to 20 minutes, until the sauce visibly tightens and clings to the spoon.
You will see the sauce go from watery to glossy and dense. Stir once halfway through so no cornstarch settles. If it is not thick enough after 20 minutes, you can mix another teaspoon of cornstarch with a little water and repeat, but I rarely need to.
Step 5: Spoon Over Rice and Garnish
Give the chicken and sauce a final gentle stir. Spoon it right over a bowl of steamed white or brown rice, then scatter sliced green onions and sesame seeds on top if you like. Serve it while it is hot and the sauce is still glossy.
The peppers should look bright against the deep red sauce, and the pineapple pieces will be warm and soft. That contrast of colors and textures makes it feel like a real takeout night at home.
Tips for a Thick, Even Sauce
- Brown the chicken in batches if your skillet is small.: Crowding the pan steams instead of sears, and you lose that deeper flavor.
- Cut the peppers and onion in roughly the same size so they cook evenly.: About 1 inch chunks work well.
- Do not skip the cornstarch slurry step.: The sauce will be thin without it, and no amount of simmering will give you the same cling.
- Leftover pineapple juice can sweeten the sauce a touch more.: If you want it sweeter, add a tablespoon or two of the reserved juice along with the slurry.
Cook times by setting:
| Setting | Time |
|---|---|
| HIGH | 2 1/2 to 3 hours |
| LOW | 4 to 5 hours |
Storing Leftover Sweet and Sour Chicken
- Refrigerate: Store in a sealed container for up to 4 days. The sauce may get a little loose as it sits, but a quick reheat tightens it back up.
- Reheating: Warm gently in a skillet over medium-low heat with a splash of water to loosen the sauce if needed. The microwave works in a pinch, just go in 30 second bursts so the chicken does not dry out.
What to Serve with Crockpot Sweet and Sour Chicken
Steamed jasmine or brown rice is the natural pairing because it soaks up every drop of sauce. For a lighter meal, cauliflower rice or quinoa hold up well too. A side of steamed broccoli or green beans adds a fresh, crisp contrast to the sweet and sticky chicken.
Frequently Asked Questions
Can I use chicken breast instead?
Yes, you can. Chicken breasts will cook faster and can dry out more easily, so check them at the shorter end of the time range. If you use breasts, slice them into larger chunks to keep them moister.
Is searing the chicken really necessary?
No, but it is worth the few extra minutes. Searing gives the chicken a deeper savory note and keeps the pieces from falling apart as they cook. Skipping it will still give you a good dish, just a little softer and less complex.
Can I make this gluten free?
Yes, use tamari or coconut aminos instead of soy sauce, and check that your ketchup and cornstarch are gluten free. Most are, but it is a quick label check.
Can I double this recipe?
Absolutely. Use a 6 quart or larger slow cooker and keep the ingredient ratios the same. The cooking time stays nearly the same, just add 20 to 30 minutes on HIGH to be safe.
Crockpot Sweet and Sour Chicken Recipe
Ingredients
Method
- Whisk together ketchup, brown sugar, rice vinegar, soy sauce, garlic, and ginger in a bowl.
- Heat oil in a skillet, season chicken with salt, and sear until golden on two sides, about 5 minutes.
- Transfer chicken to the slow cooker, add peppers, onion, and pineapple, then pour the sauce over and toss.
- Cover and cook on HIGH for 2 1/2 to 3 hours or LOW for 4 to 5 hours.
- Stir together cornstarch and water, pour into the slow cooker, and cook on HIGH for 15 to 20 minutes until thickened.
- Spoon over rice, garnish with green onions and sesame seeds, and serve hot.
