Whisk together the mushroom ketchup, vinegar, mustard, honey (if using), stock, and thyme.
3 Heat the oil in a skillet over medium-high heat. Sear the chops for approximately 3–4 minutes on the first side.
4 Flip and cook another 2–3 minutes, adjusting for thickness.
5 Reduce heat to medium-low and brush the chops with the glaze. Turn them once or twice to coat, allowing the glaze to bubble gently without burning.
6 Cook until the chops reach 145°F internally, then remove from heat and rest for 3–5 minutes.
7 If desired, add butter to the remaining pan glaze and spoon it over the chops.
Note
The result should be a glossy, lightly sticky coating, not a pool of sauce.