In a small bowl, mix together the softened butter, minced garlic, rosemary, thyme, salt, and pepper until well combined.
Pat the roast dry with paper towels, then rub the garlic herb butter all over the outside of the roast.
Heat a large cast iron skillet over medium-high heat. Once hot, place the roast in the skillet and sear for 2 to 3 minutes per side, turning until it is browned all over.
Transfer the skillet to the oven and bake for 1 hour to 1 hour 15 minutes, or until the roast reaches your preferred doneness. For medium rare, aim for 130 to 135°F before resting.
Remove the roast from the oven and let it rest for 15 to 20 minutes before slicing thinly and serving.