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Grilled, seasoned chicken pieces garnished with chopped herbs are arranged on a rectangular white platter with a sprig of cilantro on the side.

Grilled Boneless Chicken Thighs

These Grilled Boneless Chicken Thighs are all about big flavor with little effort. The combination of Parmesan, ranch, and sweet chili sauce creates a savory glaze that caramelizes beautifully on the grill. It’s one of those recipes that never disappoints.
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Ingredients Method Notes

Ingredients
  

  • 5 lb boneless skinless chicken thighs 2268g
  • ½ cup ranch dressing
  • ½ cup sweet chili sauce
  • ½ cup Parmesan cheese 50g, grated
  • 1 onion medium, finely grated
  • 1 tsp Vegeta seasoning
  • 1 tsp smoked paprika
  • 1 tsp onion powder
  • 1 tsp garlic powder
  • 3 garlic cloves pressed
  • fresh parsley for garnish

Method
 

  1. In a large bowl, combine the ranch dressing, sweet chili sauce, Parmesan cheese, grated onion, Vegeta seasoning, smoked paprika, onion powder, garlic powder, and pressed garlic until well mixed.
  2. Add the chicken thighs and toss until evenly coated. Cover and refrigerate for at least 4 hours or, for the best flavor, overnight.
  3. Preheat the grill to medium-high heat. Grill the chicken for 5–7 minutes per side, or until the thickest part reaches an internal temperature of 165°F (74°C).
  4. Transfer to a serving platter, garnish with fresh parsley, and serve warm.

Notes

  • Pat the chicken dry before marinating. This helps the marinade cling better and promotes better browning on the grill.
  • Grate the onion instead of chopping it. The onion melts into the marinade, adding flavor while naturally helping tenderize the chicken.
  • Marinate overnight if possible. The extra time allows the flavors to fully penetrate the meat and results in even juicier chicken.
  • Oil the grill grates before cooking. This helps prevent sticking and makes it easier to flip the chicken cleanly.
  • Cook to 165°F using a meat thermometer. Checking the internal temperature ensures the chicken stays juicy without overcooking.
  • Let the chicken rest for a few minutes before serving. This gives the juices time to redistribute throughout the meat.
  • Add red pepper flakes for extra heat. A small amount gives the marinade a subtle spicy kick without overpowering the other flavors.
  • Make extra for leftovers. The chicken is delicious in wraps, salads, rice bowls, sandwiches, or even on flatbread pizza the next day.
  • Pair it with fresh, simple sides. It goes especially well with Instant Pot Rice, Greek Potato Salad, Strawberry Pecan Salad, or Thai Salad with Peanut Butter Dressing.
  • Store leftovers in an airtight container. They will keep well in the refrigerator for up to 4 days and reheat beautifully.
 
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