Caramelized Onion Sliders with BBQ Chicken
When it comes to satisfying your cravings for savory, sweet, and smoky flavors, nothing hits the spot quite like these Caramelized Onion Sliders with BBQ Chicken. Imagine tender chicken breasts slathered in a rich barbecue sauce, topped with sweet, caramelized onions, and nestled in a soft whole-wheat bun. This dish not only makes for a delightful dinner but also shines at parties, game days, or any casual gathering. Let’s dive into this recipe that will have everyone asking for seconds!
Why This Caramelized Onion Sliders with BBQ Chicken Stands Out

These sliders are a perfect combination of flavors and textures. The sweetness of the caramelized onions complements the savory BBQ chicken, creating an irresistible bite. The whole-wheat buns add a hearty touch, making these sliders both delicious and nutritious. Plus, they are easy to make, allowing you to whip up a batch in no time. With the option to add creamy cabbage and bok choy slaw, you can elevate these sliders with an extra crunch, making them a hit among family and friends.
What We’re Using
- 1 pound boneless and skinless chicken breasts – The star of the show, these chicken breasts are juicy and soak up flavors wonderfully.
- 2 tablespoons olive oil – To sautĂ© the onions and mushrooms, adding richness to the dish.
- 1/2 cup barbecue sauce (no sugar added) – Choose your favorite brand for that smoky sweetness.
- 1/2 teaspoon black pepper – A touch of spice to enhance flavor.
- 1 large sweet onion – Thinly sliced, these onions will become beautifully caramelized.
- 4 ounces white mushrooms – For an earthy flavor and extra texture.
- 8 whole-wheat buns or rolls – Perfectly sized for sliders, providing a wholesome base.
- Creamy cabbage & bok choy slaw (optional) – Adds a refreshing crunch (click for recipe).
- Kosher or sea salt to taste – Essential for seasoning all the components.
Hardware & Gadgets
- Large skillet – For sautĂ©ing your onions, mushrooms, and chicken.
- Spatula – To flip the chicken and mix the ingredients.
- Meat thermometer – To ensure the chicken is cooked perfectly.
- Cutting board and knife – For slicing the onions and mushrooms.
- Serving platter – To display your sliders beautifully.
How to Prepare Caramelized Onion Sliders with BBQ Chicken

Step 1: Prepare the Chicken
Begin by seasoning the chicken breasts with black pepper and a pinch of kosher or sea salt. Heat 1 tablespoon of olive oil in a large skillet over medium-high heat. Once the oil is hot, add the chicken breasts and cook for about 6-7 minutes on each side, or until fully cooked and no longer pink in the center. Use a meat thermometer to check that the internal temperature reaches 165°F. Remove the chicken from the skillet and let it rest.
Step 2: Sauté the Onions and Mushrooms
In the same skillet, add the remaining tablespoon of olive oil. Toss in the sliced sweet onions and mushrooms. Cook over medium heat, stirring occasionally, until the onions are golden brown and caramelized, about 10-15 minutes. The mushrooms should also be tender. If they start to stick to the pan, you can add a splash of water to deglaze the skillet.
Step 3: Add BBQ Sauce and Shred the Chicken
While the onions and mushrooms are caramelizing, shred the cooked chicken using two forks. Once the onions are caramelized, reduce the heat to low and add the shredded chicken to the skillet. Pour in the barbecue sauce, stirring until everything is well coated and heated through, about 3-5 minutes.
Step 4: Assemble the Sliders
Slice the whole-wheat buns in half, and fill each with a generous scoop of the BBQ chicken mixture. Top with a spoonful of the caramelized onions and mushrooms. If you’re using the creamy cabbage and bok choy slaw, add a handful for that extra crunch.
Step 5: Serve and Enjoy!
Arrange the sliders on a serving platter and enjoy immediately while they’re warm. These sliders are perfect for sharing, so gather your loved ones and dig in!
No-Store Runs Needed

- Chicken breasts can be substituted with leftover rotisserie chicken.
- Use any type of barbecue sauce you have on hand.
- Onions can be replaced with shallots or leeks if they are on hand.
- Add any leftover veggies you have in the fridge for extra flavor.
Behind the Recipe
This recipe for Caramelized Onion Sliders with BBQ Chicken was inspired by the love for comfort food and the desire to create a dish that is both hearty and enjoyable. The sweet and savory combination of flavors pays homage to traditional BBQ meals but in a slider form that everyone can enjoy. Plus, the addition of caramelized onions elevates the dish, making it truly special.
Freezer-Friendly Notes
You can easily make these sliders ahead of time and freeze them for later. After assembling the sliders, wrap them tightly in plastic wrap and place them in an airtight container. When you’re ready to enjoy them, simply thaw in the refrigerator overnight and reheat in the oven or microwave. They’ll taste just as delicious as when you first made them!
Common Qs About Caramelized Onion Sliders with BBQ Chicken
Can I use another type of meat for these sliders?
Absolutely! You can substitute chicken with turkey, beef, or even pulled pork. Each option will bring a unique flavor to the dish.
How can I make these sliders spicy?
If you like a little heat, consider adding some hot sauce to the barbecue sauce or incorporating sliced jalapeños into the filling. Spicy BBQ sauce is also a great choice!
What sides go well with these sliders?
These sliders pair wonderfully with a side of sweet potato fries, a fresh garden salad, or even some veggie sticks with ranch dressing.
Can I make the caramelized onions ahead of time?
Yes! Caramelized onions can be made in advance and stored in the refrigerator for up to a week. Simply reheat them before assembling your sliders.
Similar Recipes
- BBQ Pulled Pork Sliders
- Buffalo Chicken Sliders
- Teriyaki Meatball Sliders
- Vegetarian Mushroom Sliders
Save & Share
If you enjoyed this recipe for Caramelized Onion Sliders with BBQ Chicken, don’t forget to save it for later and share it with friends and family! Whether you’re hosting a gathering or just looking for a weeknight meal, these sliders are sure to impress.
With each bite of these Caramelized Onion Sliders with BBQ Chicken, you’ll experience a delightful medley of flavors that is comforting and satisfying. They are perfect for any occasion, and their versatility means you can customize them to suit your taste. Whether you stick to the classic method or experiment with variations, these sliders are bound to become a staple in your recipe repertoire. Happy cooking!

Caramelized Onion Sliders with BBQ Chicken
Ingredients
Equipment
Method
- Begin by seasoning the chicken breasts with black pepper and a pinch of kosher or sea salt. Heat 1 tablespoon of olive oil in a large skillet over medium-high heat. Once the oil is hot, add the chicken breasts and cook for about 6-7 minutes on each side, or until fully cooked and no longer pink in the center. Use a meat thermometer to check that the internal temperature reaches 165°F. Remove the chicken from the skillet and let it rest.
- In the same skillet, add the remaining tablespoon of olive oil. Toss in the sliced sweet onions and mushrooms. Cook over medium heat, stirring occasionally, until the onions are golden brown and caramelized, about 10-15 minutes. The mushrooms should also be tender. If they start to stick to the pan, you can add a splash of water to deglaze the skillet.
- While the onions and mushrooms are caramelizing, shred the cooked chicken using two forks. Once the onions are caramelized, reduce the heat to low and add the shredded chicken to the skillet. Pour in the barbecue sauce, stirring until everything is well coated and heated through, about 3-5 minutes.
- Slice the whole-wheat buns in half, and fill each with a generous scoop of the BBQ chicken mixture. Top with a spoonful of the caramelized onions and mushrooms. If you’re using the creamy cabbage and bok choy slaw, add a handful for that extra crunch.
- Arrange the sliders on a serving platter and enjoy immediately while they’re warm. These sliders are perfect for sharing, so gather your loved ones and dig in!
Notes
- Chicken breasts can be substituted with leftover rotisserie chicken.
- Use any type of barbecue sauce you have on hand.
- Onions can be replaced with shallots or leeks if they are on hand.
- Add any leftover veggies you have in the fridge for extra flavor.
