11. Slice chicken thighs into 1-inch bite-sized pieces, ensuring uniform cut for even cooking.
22. Whisk bourbon, brown sugar, soy sauce, ketchup, and apple cider vinegar in a medium bowl until smooth and fully incorporated.
33. Heat olive oil in a large cast-iron skillet over medium-high heat until shimmering, about 2 minutes.
44. Sear chicken pieces until golden brown and slightly crispy, approximately 5-6 minutes, stirring occasionally.
55. Add minced garlic and grated ginger, cooking for 30 seconds until fragrant.
66. Pour bourbon sauce over chicken, reducing heat to medium-low. Simmer uncovered until sauce thickens and chicken is fully cooked, about 12-15 minutes.
77. Sprinkle Cajun seasoning, red pepper flakes, salt, and black pepper during final 3 minutes of cooking.
88. Garnish with sliced green onions before serving.