Chili and Brown Sugar Spice Rub Chicken with Roasted Sweet Potatoes Recipe
Introduction
This Chili and Brown Sugar Spice Rub Chicken paired with roasted sweet potatoes is a perfect balance of sweet, smoky, and spicy flavors. It’s an easy one-pan meal that’s full of vibrant tastes and simple to prepare. Ideal for a weeknight dinner or a casual get-together.

Ingredients
- 1/3 to 1/2 cup light brown sugar (packed)
- 2 to 3 tablespoons chili powder
- 2 teaspoons cumin
- 1 to 2 teaspoons paprika or smoked paprika
- 1/2 teaspoon garlic powder
- 1/4 teaspoon cayenne pepper (optional and to taste)
- 1.5 to 2 pounds sweet potatoes (peeled and diced into 1-inch chunks)
- 4 tablespoons olive oil (divided; or as needed)
- Kosher salt (to taste)
- Freshly ground black pepper (to taste)
- 1.5 to 2 pounds boneless skinless chicken breasts (4 large breasts)
- 1 large or extra-large red onion (cut into thick chunks or wedges)
- 2 to 3 tablespoons fresh parsley or cilantro finely minced (for garnishing; optional and to taste)
Instructions
- Step 1: Preheat your oven to 425°F (use convection if available) and line a baking sheet with foil for easy cleanup.
- Step 2: Place the diced sweet potatoes on the baking sheet, drizzle with 2 tablespoons of olive oil, season with salt and pepper, and roast for 8 to 10 minutes.
- Step 3: While the sweet potatoes roast, mix the brown sugar, chili powder, cumin, paprika, garlic powder, and optional cayenne pepper in a bowl to create the spice rub. Set aside.
- Step 4: Pound the chicken breasts to an even thickness using a meat tenderizer, rolling pin, or a heavy pan. This ensures even cooking.
- Step 5: Remove the baking sheet from the oven and flip the sweet potatoes. Add the chicken and red onion chunks to the pan, drizzle with the remaining olive oil, and season everything with salt and pepper.
- Step 6: Generously spoon the spice rub over both sides of the chicken breasts, applying a thicker layer on the side facing up.
- Step 7: Bake for 18 to 22 minutes, or until the chicken reaches an internal temperature of 165°F and the sweet potatoes are tender when pierced with a fork.
- Step 8: Let the chicken rest for 5 to 10 minutes before slicing. Cover with foil to keep warm if desired.
- Step 9: Optionally, garnish with fresh parsley or cilantro before serving for a fresh burst of flavor.
Tips & Variations
- To avoid burning the brown sugar in the final minutes, watch the chicken closely and remove it from the oven once the color darkens.
- Use smoked paprika for a deeper, smoky flavor or regular paprika for a milder taste.
- Substitute sweet potatoes with butternut squash or regular potatoes if preferred.
- For extra moisture, drizzle a little more olive oil over the chicken and vegetables before baking.
Storage
Store any leftovers in an airtight container in the refrigerator for up to 3 days. Reheat gently in the oven or microwave until warmed through. To keep the chicken moist, cover it while reheating.
How to Serve

Serve this delicious recipe with your favorite sides.
FAQs
Can I use bone-in chicken thighs instead of breasts?
Yes, bone-in thighs can be used, but baking times may be longer. Make sure to cook until the internal temperature reaches 165°F, checking with a meat thermometer.
Is the cayenne pepper necessary?
No, cayenne is optional and can be adjusted to your preferred spice level. Leaving it out will make the dish milder while keeping the rich flavor from the other spices.
PrintChili and Brown Sugar Spice Rub Chicken with Roasted Sweet Potatoes Recipe
This Chili and Brown Sugar Spice Rub Chicken with Sweet Potatoes recipe offers a perfect balance of sweet and spicy flavors. Tender boneless skinless chicken breasts are coated in a flavorful chili and brown sugar spice rub and roasted alongside sweet potatoes and red onions for a hearty, comforting meal. The simple method of roasting at a high temperature ensures juicy chicken and caramelized veggies with minimal cleanup and maximum flavor.
- Prep Time: 15 minutes
- Cook Time: 30 minutes
- Total Time: 45 minutes
- Yield: 4 servings 1x
- Category: Main Dish
- Method: Baking
- Cuisine: American
- Diet: Gluten Free
Ingredients
Spice Rub
- 1/3 to 1/2 cup light brown sugar (packed)
- 2 to 3 tablespoons chili powder
- 2 teaspoons cumin
- 1 to 2 teaspoons paprika or smoked paprika
- 1/2 teaspoon garlic powder
- 1/4 teaspoon cayenne pepper (optional and to taste)
Vegetables and Chicken
- 1.5 to 2 pounds sweet potatoes, peeled and diced into 1-inch chunks
- 4 tablespoons olive oil (divided; or as needed)
- Kosher salt, to taste
- Freshly ground black pepper, to taste
- 1.5 to 2 pounds boneless skinless chicken breasts (4 large breasts)
- 1 large or extra-large red onion, cut into thick chunks or wedges
- 2 to 3 tablespoons fresh parsley or cilantro, finely minced (for garnishing; optional and to taste)
Instructions
- Preheat the oven: Preheat your oven to 425°F (use convection if available) and line a baking sheet with foil for easier cleanup and to prevent sticking.
- Prepare the sweet potatoes: Place the peeled and diced sweet potatoes on the baking sheet. Drizzle them evenly with 2 tablespoons of olive oil, season with kosher salt and freshly ground black pepper to taste, and toss gently to coat.
- Roast sweet potatoes initially: Roast the sweet potatoes in the preheated oven for 8 to 10 minutes. This jumpstarts their cooking and ensures they become tender but not overdone.
- Make the spice rub: While the sweet potatoes are roasting, combine the light brown sugar, chili powder, cumin, paprika, garlic powder, and optional cayenne pepper in a bowl. Stir well to blend all spices thoroughly and set aside.
- Pound the chicken: Pound the chicken breasts to an even thickness using a meat tenderizer, rolling pin, or a heavy pan. They do not need to be thin, but uniform thickness ensures even cooking.
- Add chicken and onions: Remove the baking sheet from the oven. Flip the sweet potatoes to ensure even roasting. Add the chicken breasts and red onion wedges around the sweet potatoes.
- Oil and season: Drizzle the chicken and onions generously with the remaining 2 tablespoons of olive oil. Season all with kosher salt and freshly ground black pepper according to your taste.
- Apply the spice rub: Spoon the prepared brown sugar chili spice rub evenly over the chicken breasts on both sides. It is okay to use a thick coating, especially on the top-facing side.
- Finish roasting: Return the baking sheet to the oven and roast for an additional 18 to 22 minutes. Cook until the chicken reaches an internal temperature of 165°F and the sweet potatoes are fork tender. Watch carefully near the end as the brown sugar can burn quickly once it begins darkening.
- Rest the chicken: Remove the chicken from the oven and let it rest for 5 to 10 minutes. Cover with foil to keep warm. Resting allows the juices to redistribute, keeping the chicken moist.
- Garnish and serve: Optionally sprinkle with fresh minced parsley or cilantro before slicing and serving for a fresh, vibrant finish.
Notes
- Using foil on the baking sheet is highly recommended to simplify cleanup because the brown sugar in the spice rub can caramelize and create sticky drips.
- Adjust the cayenne pepper quantity based on your heat preference or omit it for mild flavor.
- Pounding the chicken to uniform thickness is key to even cooking and juicy results.
- Monitor the chicken closely in the last few minutes of roasting to prevent the brown sugar from burning.
- Resting the chicken after cooking locks in moisture and improves texture.
- Fresh herbs like parsley or cilantro add a bright contrast but are optional.
Keywords: chili spice rub chicken, brown sugar chicken, roasted sweet potatoes, easy chicken recipe, baked chicken breasts, gluten free dinner

