Spicy Keto Chicken and Pineapple Skewers for a Sweet and Spicy Grilling Dish

In a medium bowl, whisk together 1/2 cup full-fat Greek yogurt, 2 tablespoons coconut aminos, 1 tablespoon grated fresh ginger, 3 minced garlic cloves, 1 tablespoon lime juice, and 1 teaspoon salt. This yogurt-based marinade is our secret weapon – the calcium and lactic acid work together to break down proteins, resulting in incredibly tender chicken that stays juicy even under high heat. Don't skip the salt here; it helps the yogurt penetrate the meat more effectively.

Pro tip: Grate your ginger with a microplane directly into the bowl to catch all the flavorful juices. If you notice the yogurt separating, whisk vigorously – it's just the acid reacting, which is perfectly normal and won't affect the final result.

Cut 2 pounds of boneless, skinless chicken thighs into 1-inch pieces, trimming excess fat but leaving some for flavor. Add chicken to the marinade, stirring to coat every piece thoroughly. Cover and refrigerate for at least 30 minutes, but no more than 4 hours. The yogurt works quickly – longer than 4 hours and the texture can become mushy. While the chicken marinates, this is the perfect time to prepare your grill and make the glaze.

Safety note: Always marinate in the refrigerator, never at room temperature. If you're pressed for time, even 15 minutes will add flavor, but 30-60 minutes is the sweet spot for both flavor and texture.

In a small saucepan, combine 1/3 cup monk fruit sweetener, 3 tablespoons sriracha (adjust to taste), 2 tablespoons rice vinegar, 1 tablespoon coconut aminos, 1 teaspoon fish sauce, and 1/4 teaspoon xanthan gum. Whisk constantly over medium heat until the mixture comes to a gentle simmer and thickens slightly, about 3-4 minutes. The glaze should coat the back of a spoon. Remove from heat and set aside. The xanthan gum is crucial here – it creates that glossy, sticky texture that clings beautifully to the grilled ingredients without adding carbs.

Taste test: The glaze should be pleasantly sweet with a noticeable but not overwhelming heat. Adjust sriracha up or down based on your preference. The glaze can be made up to 5 days ahead and stored in the refrigerator.

Cut fresh pineapple into 1-inch chunks, removing the core but keeping some of the natural juices. If using canned pineapple, drain extremely well and pat dry with paper towels – excess moisture will prevent proper caramelization. Thread marinated chicken and pineapple chunks onto skewers, alternating pieces and leaving a small gap between each item for even cooking. Don't pack too tightly; air circulation is key for that perfect char. If using wooden skewers, soak them in water for 30 minutes to prevent burning.

Assembly tip: Start and end each skewer with chicken – it holds everything together better. Aim for 4-5 pieces of chicken and 3-4 pineapple chunks per skewer, creating a colorful pattern that looks as good as it tastes.

Preheat your grill to medium-high heat (400-425°F). Clean the grates thoroughly with a wire brush, then oil them using a paper towel dipped in avocado oil held with tongs. This prevents sticking and creates those beautiful grill marks. For charcoal grills, arrange coals for direct cooking. The grill is ready when you can hold your hand 5 inches above the grates for only 2-3 seconds. Proper preheating is crucial – it sears the outside, locking in juices and creating that coveted caramelization.

Indoor option: Heat a grill pan over medium-high heat until smoking. You can also use a cast-iron skillet, though you won't get the same char marks. If using a broiler, position the rack 6 inches from the heating element and preheat for 5 minutes.

Place skewers on the preheated grill, leaving space between each one for air circulation. Cook for 4-5 minutes without moving them – this creates those gorgeous grill marks. Rotate 90 degrees and cook another 3-4 minutes. Flip and repeat on the second side. The chicken is done when it reaches 165°F internal temperature and the pineapple has beautiful char marks. Total cooking time is typically 12-15 minutes, but this varies based on your grill and chicken chunk size.

Don't overcrowd: Work in batches if necessary. Overcrowding lowers the grill temperature, leading to steamed rather than grilled food. Keep a spray bottle handy for any flare-ups from the pineapple sugars.

During the last 2 minutes of grilling, brush the glaze generously on all sides of the skewers. The heat will caramelize the monk fruit sweetener, creating that sticky, glossy finish. Be generous here – the glaze is where all the flavor magic happens. Turn and baste every 30 seconds to build up layers of flavor without burning. If your glaze has cooled and thickened too much, warm it slightly in the microwave for 10-15 seconds to return it to brushing consistency.

Reserve some glaze: Set aside 2 tablespoons of glaze before brushing to serve as a dipping sauce. Never reuse glaze that has touched raw chicken, even if it's been cooked.

Remove skewers from the grill and let them rest for 5 minutes – this allows juices to redistribute, ensuring every bite is succulent. Transfer to a platter, drizzle with any remaining glaze, and sprinkle with sliced green onions and sesame seeds for restaurant-worthy presentation. Serve immediately while the glaze is still glossy and the chicken is at its peak juiciness.

Serving suggestion: These skewers are fantastic on their own, but I love serving them over cauliflower rice with extra glaze drizzled on top. They also make incredible lettuce wraps – simply slide the chicken and pineapple off the skewers into crisp romaine leaves.