Chop chicken into 1 inch cubes and broccoli head into small pieces. Season chicken with salt and pepper.
Heat olive oil in large skillet over medium heat. Brown chicken pieces in skillet until brown on all sides. Add in broccoli, 2 tablespoons water and thyme, allow to simmer until broccoli is just tender and dark green.
Once chicken and broccoli are cooked through add butter and garlic and cook until garlic is fragrant. Transfer to a serving dish and enjoy!!