Once combined, toss the chicken with cornstarch until every piece is well coated.
Heat a thin layer of oil in a pan over medium-high heat. When hot, add the chicken and cook 2-3 minutes per side. Remove once golden and crispy and set aside.
In a separate saucepan, add a little oil and sauté the garlic for 1 minute.
Add the gochujang, honey, soy sauce, and butter. Increase the heat to medium-high and stir for 30 seconds, until smooth.
Cook over medium-high heat for 3 minutes.
Add the chicken.
Toss over high heat for 1 minute, making sure every piece is evenly glazed.