Sambal Chicken Skewers

INGREDIENTS

• 1/2 (packed) light brown sugar
• 1/2 unseasoned rice vinegar
• 1/3 hot chili paste (such as sambal oelek)
• 1/4 fish sauce (such as nam pla or nuoc nam)
• 1/4 Sriracha
• 2 finely grated peeled ginger
• 1 1/2 skinless, boneless chicken thighs, cut into 1 1/2-inch–2-inch pieces
• 8 bamboo skewers soaked in water at least 1 hour