01 -
Gather and measure all ingredients. Cut boneless, skinless chicken thighs into uniform bite-sized pieces to ensure even cooking.
02 -
In a mixing bowl, whisk together soy sauce, brown sugar, bourbon, ketchup, apple cider vinegar, garlic powder, ground ginger, and red pepper flakes (if using) until well combined and slightly thickened.
03 -
Place the chicken pieces in the slow cooker. Pour the sauce mixture over the chicken, ensuring all pieces are evenly coated. Stir gently to combine.
04 -
Cover the slow cooker and cook on low for 4-6 hours or on high for 2-3 hours, until chicken is tender and fully cooked.
05 -
About 30 minutes before serving, mix cornstarch and water in a small bowl to create a slurry. Stir this mixture into the slow cooker and continue cooking until the sauce has thickened.
06 -
Serve the bourbon chicken over cooked rice and garnish with sliced green onions.