Sheet Pan Sweet & Sour Chicken is an easy and colorful meal that brings together tender chicken pieces, juicy bell peppers, and a tangy sweet and sour sauce. Everything cooks together on one pan, which means less cleanup and more time to enjoy your food. The sauce has the perfect mix of sweet and tangy flavors that coat the chicken and veggies, making every bite bright and satisfying.
I love how simple this dish is to put together, especially on busy weeknights when I want something tasty without spending hours in the kitchen. Tossing the chicken and veggies with the sauce on the sheet pan means all the flavors meld beautifully while everything roasts. Plus, I find it’s a great way to sneak in extra veggies since the bell peppers get nice and soft but still keep a little crunch.
When I serve this, I usually spoon it over a bed of plain rice or noodles to soak up all the sauce. It’s always a hit with family and friends because it feels special but doesn’t require a lot of effort. If you want to add a little fun twist, sprinkle some sesame seeds or chopped green onions on top right before serving. It’s a simple dinner that quickly becomes a favorite in our house!
Key Ingredients & Substitutions
Chicken breast: This lean cut cooks quickly and stays tender. Boneless, skinless pieces work best for even cooking on a sheet pan. You can swap chicken thighs for juicier results—they hold up well to roasting.
Pineapple chunks: They add natural sweetness and tang. Fresh pineapple is great if in season, but canned (well drained) works perfectly and saves time.
Bell peppers: Red and green peppers offer crunch and color. Feel free to add yellow or orange peppers for extra sweetness and visual appeal.
Soy sauce & rice vinegar: These build the salty and tangy base of the sauce. Low-sodium soy sauce is a good swap if you want less salt. Apple cider vinegar can replace rice vinegar if needed.
Brown sugar & ketchup: They create the sweet side of the sauce. You can replace brown sugar with honey or maple syrup for a different hint of sweetness. Use tomato paste if you prefer a less sweet ketchup flavor.
Cornstarch slurry: This thickens the sauce nicely without lumps. If you’re gluten-free, cornstarch is perfect; potato starch also works well.
How Do I Get the Sauce Just Right on the Sheet Pan?
Thickening the sauce evenly over the chicken and veggies can be tricky. Here’s how to make sure it turns out glossy and coats everything nicely:
- After roasting the chicken and veggies for 15 minutes, remove the pan and stir the cornstarch slurry into the juices left on the pan.
- Spread everything out again so the sauce touches all the chicken and veggies.
- Return to the oven for another 3-5 minutes to let the sauce thicken and become shiny.
- Avoid stirring too vigorously once thickened to keep the sauce coating well.
This approach helps the sauce cling to the ingredients and balances sweetness and tang. I find it’s best not to add the slurry too early or it can clump or burn.

Equipment You’ll Need
- Sheet pan – I like a large, rimmed pan to hold everything in one layer for even cooking.
- Mixing bowl – for whisking the sauce ingredients easily.
- Whisk – keeps the sauce smooth and well combined.
- Parchment paper or silicone baking mat – makes cleanup easier and prevents sticking.
- Measuring cups and spoons – for precise sauce measurements.
Flavor Variations & Add-Ins
- Use chicken thighs instead of breasts for juicier, more forgiving meat.
- Add sliced carrots or snap peas for extra crunch and color.
- Stir in a splash of orange juice or zest for a citrus twist.
- Sprinkle with sesame seeds or chopped green onions for extra flavor and presentation.
Sheet Pan Sweet & Sour Chicken
Ingredients You’ll Need:
For the Chicken and Veggies:
- 1 ½ pounds boneless, skinless chicken breasts, cut into bite-sized pieces
- 2 cups pineapple chunks (fresh or canned, drained)
- 1 red bell pepper, cut into chunks
- 1 green bell pepper, cut into chunks
For the Sauce:
- ¼ cup soy sauce
- ⅓ cup rice vinegar
- ⅓ cup brown sugar
- 2 tablespoons ketchup
- 2 cloves garlic, minced
- 1 teaspoon grated fresh ginger (optional)
- 1 tablespoon cornstarch mixed with 2 tablespoons water (slurry)
- 2 tablespoons vegetable oil or olive oil
- Salt and pepper to taste
For Serving and Garnish:
- Cooked white rice
- Sliced green onions
- Sesame seeds (optional)
How Much Time Will You Need?
This meal takes about 10 minutes to prepare and around 20 minutes to cook. That’s roughly 30 minutes total for an easy, tasty dinner you can whip up on busy days.
Step-by-Step Instructions:
1. Get Your Oven Ready:
Preheat your oven to 425°F (220°C). Line a large sheet pan with parchment paper or a silicone baking mat to make cleanup easier.
2. Mix the Sauce:
In a small bowl, whisk together the soy sauce, rice vinegar, brown sugar, ketchup, minced garlic, and grated ginger until smooth. Set this flavorful sauce aside.
3. Prepare the Chicken and Veggies:
Place the bite-sized chicken pieces, pineapple chunks, and bell pepper chunks on the lined sheet pan. Drizzle with the oil and season with salt and pepper. Toss everything gently so it’s all coated well.
4. Add the Sauce and Arrange:
Pour the sauce over the chicken and vegetables on the pan. Give it another gentle toss to coat all the ingredients evenly. Spread everything out in a single layer to help it cook perfectly.
5. Roast in the Oven:
Put the sheet pan in the oven and roast for about 15 minutes. Halfway through, stir everything once so it cooks evenly. The chicken should be almost done and the veggies tender but still crisp.
6. Thicken the Sauce:
Remove the sheet pan from the oven. Stir the cornstarch slurry into the sauce left on the pan to help it thicken. Return the pan to the oven and roast for an additional 3-5 minutes until the sauce is thick and glossy and the chicken is fully cooked.
7. Finish and Serve:
Take the pan out and let it cool just a bit. Serve the sweet and sour chicken and veggies hot over a bed of cooked white rice. Sprinkle with sliced green onions and sesame seeds if you like for a fresh, nutty touch.
Can I Use Frozen Chicken for This Recipe?
Yes! Just be sure to thaw the chicken completely in the refrigerator overnight before cooking. Pat it dry to remove excess moisture, which helps it roast better on the sheet pan.
Can I Make This Recipe Gluten-Free?
Absolutely. Use gluten-free soy sauce (like tamari) and double-check that your ketchup and other ingredients are gluten-free. Cornstarch is naturally gluten-free, so it works well as a thickener.
How Should I Store Leftovers?
Store any leftovers in an airtight container in the fridge for up to 3 days. Reheat gently in a skillet over medium-low heat or in the microwave, stirring occasionally to heat evenly.
Can I Add Other Vegetables?
Definitely! Carrots, snap peas, or broccoli make great additions. Just cut them into similar-sized pieces to ensure everything cooks evenly on the sheet pan.