Name: Crockpot Kung Pao Chicken Recipe
Prep time: 15 min
Cook time: 210 min
Total time: 225 min
Ingredients: 2 pounds boneless skinless chicken breasts, cut into 1-inch cubes; 1 red bell pepper, cut into 1-inch chunks; 1 green bell pepper, cut into 1-inch chunks; 1 small yellow onion, sliced; 3 green onions, sliced (white and green parts separated); 3 cloves garlic, minced; 1 tablespoon fresh ginger, minced or grated; 1/2 cup low sodium soy sauce; 1/3 cup water or low sodium chicken broth; 1/4 cup rice vinegar; 1/4 cup hoisin sauce; 3 tablespoons brown sugar or honey; 1–2 tablespoons chili garlic sauce or sambal oelek; 1 tablespoon toasted sesame oil; 1/2 teaspoon crushed red pepper flakes; 3 tablespoons cornstarch; 3 tablespoons cold water; 1/2–3/4 cup roasted unsalted peanuts; sesame seeds, for garnish; extra sliced green onions, for garnish

Crockpot Kung Pao Chicken Recipe tastes savory, spicy, a little sweet, and has that perfect crunchy peanut bite that makes you keep going back for “just one more” spoonful. It works well for busy weeknights, meal prep fans, and anyone who wants takeout-style flavor with about 15 minutes of hands-on time and a total cook time of 3 to 4 hours. I tested this on a chaotic Tuesday while my kids argued about cartoons, and it still turned out fantastic, so you know it passes the real-life test.

Why Make This Crockpot Kung Pao Chicken Recipe at Home

You control the heat level, the amount of sugar, and the quality of the ingredients, which beats mystery takeout sauce every time. The slow cooker keeps the chicken juicy, and the sauce thickens into that glossy, clingy coating that tastes like your favorite Chinese restaurant.

You also skip deep frying and use simple pantry staples like soy sauce, rice vinegar, and chili paste. Clean-up stays easy, and leftovers taste even better the next day, so you cook once and eat twice.

“This Crockpot Kung Pao Chicken Recipe tastes just like my favorite takeout, but lighter, saucier, and somehow even more addictive. ★★★★★”

Ingredients You Need

Chicken and veggies

2 pounds boneless skinless chicken breasts, cut into 1-inch cubes
- You can use boneless skinless chicken thighs for extra tenderness.
1 red bell pepper, cut into 1-inch chunks
1 green bell pepper, cut into 1-inch chunks
1 small yellow onion, sliced
3 green onions, sliced (white and green parts separated)
3 cloves garlic, minced
1 tablespoon fresh ginger, minced or grated
- Use ginger paste from a tube as a shortcut.

Sauce ingredients

1/2 cup low sodium soy sauce
- I like Kikkoman or a similar brand with consistent flavor.
1/3 cup water or low sodium chicken broth
1/4 cup rice vinegar
1/4 cup hoisin sauce
3 tablespoons brown sugar or honey
1 to 2 tablespoons chili garlic sauce or sambal oelek
- Use 1 tablespoon for mild heat, 2 or more for extra spicy.
1 tablespoon toasted sesame oil
1/2 teaspoon crushed red pepper flakes
- Optional, adjust to your heat tolerance.

To thicken the sauce

3 tablespoons cornstarch
3 tablespoons cold water

Finishing touches

1/2 to 3/4 cup roasted unsalted peanuts
- Salted peanuts work too; just taste the sauce before you add extra salt.
Sesame seeds, optional
Extra sliced green onions, for garnish

Pantry shortcuts and substitutions

Use pre-minced garlic and ginger from a jar if you want to save time.
Swap hoisin sauce with oyster sauce in a pinch, but add 1 extra tablespoon brown sugar.
Use coconut aminos or tamari instead of soy sauce for a gluten friendly version.
Use frozen bell pepper strips if you do not want to chop fresh peppers.

Equipment list

4 to 6 quart slow cooker
Cutting board and sharp knife
Small and medium mixing bowls
Whisk or fork for mixing sauce and cornstarch slurry
Measuring cups and spoons
Spoon or tongs for stirring and serving

Tips & Mistakes

Cut the chicken into even pieces so everything cooks at the same rate and stays tender.
Use low sodium soy sauce so the sauce does not taste too salty once it reduces.
Add the peanuts near the end so they stay crunchy and do not turn mushy.
Do not skip the cornstarch slurry or the sauce will stay thin and runny.
Taste the sauce before thickening and adjust sugar and chili garlic sauce to your preference.
Do not overcook on high heat or the chicken will dry out and turn stringy.
Stir the slow cooker once or twice during cooking if you can, so the sauce coats everything evenly.
Use a lined slow cooker (with a liner or light oil spray) if you want easier cleanup.
Add veggies in larger chunks so they keep some bite and do not disappear into the sauce.
Let the sauce bubble after adding the slurry so it thickens properly and does not taste chalky.

How to Make Crockpot Kung Pao Chicken Recipe

Step 1: Prep the chicken and vegetables

Cut the chicken into 1-inch cubes and pat them dry with paper towels so they brown slightly and do not water down the sauce. Chop the bell peppers into chunks, slice the onion, mince the garlic and ginger, and slice the green onions. Keep the green onion tops separate for garnish later.

Step 2: Mix the Kung Pao sauce

In a medium bowl, whisk together soy sauce, water or broth, rice vinegar, hoisin sauce, brown sugar, chili garlic sauce, sesame oil, and crushed red pepper flakes. Taste a small spoonful and adjust sweetness or heat. Add a little more brown sugar if you want a sweeter sauce or more chili garlic sauce if you want extra kick.

Step 3: Load the slow cooker

Add the chicken cubes to the bottom of the slow cooker. Top with bell peppers, sliced onion, garlic, ginger, and the white and light green parts of the green onions. Pour the sauce evenly over everything and gently stir to coat.

Step 4: Cook low and slow

Cover the slow cooker and cook on low for 3 to 4 hours or on high for about 2 hours. Check the chicken at the 3 hour mark on low or 1 hour 45 minutes on high. The chicken should feel tender and reach 165°F in the thickest pieces.

Step 5: Thicken the sauce

In a small bowl, whisk the cornstarch and cold water until smooth. Push the chicken and veggies to the sides a bit and pour the slurry into the center of the slow cooker. Stir everything together, cover again, and cook on high for 15 to 20 minutes until the sauce thickens and turns glossy.

Step 6: Add peanuts and finish

Stir in the peanuts and let them warm in the thickened sauce for about 5 minutes. Taste and adjust seasoning with a splash of soy sauce, a pinch of sugar, or extra chili flakes if you want more heat. Sprinkle with sesame seeds and the reserved green onion tops right before serving.

Variations I've Tried

I swap the chicken with cubed pork tenderloin and keep the same sauce, which gives a slightly richer flavor. I also use shrimp sometimes and shorten the cook time to about 1 to 1.5 hours on low so the shrimp stay juicy. I tried a veggie-heavy version with extra bell peppers, broccoli florets, and snap peas and cut the chicken down to 1 pound, which worked well for a lighter bowl.

I also tested a peanut free version with cashews instead of peanuts, and the texture stayed just as satisfying. A kid friendly batch with less chili garlic sauce and no red pepper flakes still tasted flavorful and worked well for milder palates.

How to Serve Crockpot Kung Pao Chicken Recipe

Serve this Crockpot Kung Pao Chicken Recipe over hot steamed white rice, jasmine rice, or brown rice so the grains soak up the spicy sauce. You can also spoon it over cauliflower rice or quinoa if you want a lighter base. Add a side of steamed broccoli, snap peas, or stir fried green beans for extra crunch and color.

I also like it in lettuce cups with shredded carrots and cucumber for a fun, hands-on dinner. If you pack lunches, portion the chicken and rice into meal prep containers and top with extra green onions and peanuts right before eating.

How to store

Fridge: Cool leftovers to room temperature, then store in an airtight container in the fridge for up to 4 days.
Freezer: Portion cooled Crockpot Kung Pao Chicken Recipe into freezer safe containers or bags and freeze for up to 3 months.
Reheating on stove: Reheat gently in a skillet over medium heat with a splash of water or broth, stirring until hot and bubbly.
Reheating in microwave: Cover loosely and heat in 45 to 60 second bursts, stirring between each, until heated through.
From frozen: Thaw overnight in the fridge, then reheat as above; if you feel the sauce thickened too much, add a spoonful of water while reheating.