Slow Cooker Sweet and Sour Chicken Recipe: A Tangy Twist on a Classic

Posted on June 17, 2025 by Maryann Desmond

Let’s face it, we all crave those sweet and sour flavors that take us straight to flavor town without the hassle of takeout. This slow cooker version is your ticket to deliciousness with minimal effort. Perfect for busy weeknights or lazy weekends, this recipe promises a mouthwatering meal that’ll have everyone asking for seconds.

Why This Recipe Works

  • The slow cooker does all the work, melding flavors together while you go about your day.
  • It’s a healthier alternative to fried versions, with all the taste and none of the guilt.
  • The combination of pineapple, bell peppers, and a homemade sauce creates a perfect balance of sweet and tangy.
  • It’s incredibly versatile; serve it over rice, noodles, or even quinoa for a complete meal.
  • Leftovers taste even better the next day, making it a great option for meal prep.

Ingredients

  • 2 lbs boneless, skinless chicken thighs, cut into 1-inch pieces
  • 1 cup pineapple chunks (fresh or canned)
  • 1 red bell pepper, chopped
  • 1 green bell pepper, chopped
  • 1/2 cup apple cider vinegar
  • 1/4 cup ketchup
  • 1/4 cup brown sugar
  • 2 tbsp soy sauce
  • 1 tbsp garlic, minced
  • 1 tsp ginger, grated
  • 1/4 tsp red pepper flakes (optional)
  • 1 tbsp cornstarch mixed with 2 tbsp water (for thickening)

Equipment Needed

  • Slow cooker
  • Measuring cups and spoons
  • Cutting board and knife
  • Mixing bowl
  • Whisk

Instructions

Slow Cooker Sweet And Sour Chicken Recipe

Step 1: Prep Your Ingredients

Start by chopping your bell peppers into bite-sized pieces and mincing the garlic. If you’re using fresh pineapple, now’s the time to cut it into chunks. Having everything prepped and ready to go makes the cooking process smoother and more enjoyable. Tip: For an extra flavor boost, marinate the chicken in a bit of soy sauce and ginger for 30 minutes before cooking.

Step 2: Combine Sauce Ingredients

In a mixing bowl, whisk together the apple cider vinegar, ketchup, brown sugar, soy sauce, minced garlic, grated ginger, and red pepper flakes if using. This concoction is the heart of your dish, so make sure it’s well mixed. The balance of sweet and sour here is key, so taste and adjust according to your preference.

Step 3: Layer Ingredients in Slow Cooker

Place the chicken pieces at the bottom of your slow cooker, followed by the chopped bell peppers and pineapple chunks. Pour the sauce over the top, ensuring everything is evenly coated. The layering helps the flavors to distribute evenly as everything cooks together. Tip: For added texture, reserve some pineapple chunks to add towards the end of cooking.

Step 4: Cook on Low

Set your slow cooker to low and let it work its magic for 6 hours. The low and slow method ensures the chicken becomes tender and absorbs all the wonderful flavors of the sauce. Avoid the temptation to peek too often, as this can release heat and extend cooking time.

Step 5: Thicken the Sauce

Once the cooking time is up, mix the cornstarch with water and stir it into the slow cooker. Turn the setting to high and cook for an additional 15-30 minutes, or until the sauce has thickened to your liking. This step transforms the sauce from good to great, giving it that glossy, cling-to-your-chicken perfection.

Tips and Tricks

For those looking to elevate this dish even further, consider browning the chicken pieces in a skillet before adding them to the slow cooker. This adds a depth of flavor that can’t be achieved through slow cooking alone. Additionally, if you prefer a thicker sauce, you can increase the amount of cornstarch slightly, but be cautious not to over-thicken. Lastly, for a fresher taste, add a sprinkle of chopped green onions or sesame seeds before serving.

Recipe Variations

  • Swap chicken for pork or tofu for a different protein option.
  • Add vegetables like carrots or snap peas for extra crunch and nutrition.
  • For a spicier version, increase the red pepper flakes or add a dash of sriracha to the sauce.
  • Use honey instead of brown sugar for a different kind of sweetness.
  • Try adding a splash of orange juice to the sauce for a citrusy twist.

Frequently Asked Questions

Can I use chicken breasts instead of thighs?

Absolutely! Chicken breasts will work just fine, though they may not be as tender as thighs after slow cooking. To prevent dryness, consider reducing the cooking time by an hour if using breasts.

Is there a substitute for apple cider vinegar?

Yes, white vinegar or rice vinegar can be used in a pinch, but keep in mind that apple cider vinegar adds a unique sweetness that complements the other flavors well.

Can I make this recipe ahead of time?

Definitely! This dish actually tastes better the next day as the flavors have more time to meld. Just store it in an airtight container in the fridge and reheat when ready to serve.

Summary

This slow cooker sweet and sour chicken recipe is a foolproof way to enjoy a classic takeout dish at home. With minimal prep and maximum flavor, it’s sure to become a weeknight favorite. Serve it over rice for a complete meal that’s both satisfying and delicious.

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