Preheat your oven to 350°F. Select an oven-proof skillet that can easily go from stove-top directly into a hot oven.
Whisk together the glaze ingredients and set aside. In a small bowl, whisk together the dry rub spices. Massage the rub into the tenderloin. Let rest for 5 minutes.
Meanwhile, heat the olive oil in a large pan or oven-proof skillet on the stovetop. Sear each side of the tenderloin. You want to ensure it forms a golden crust all over, but is not quite cooked through. Add the garlic to the pan/oven-proof skillet and cook 15 seconds before adding the glaze to avoid the garlic burning. Spoon the glaze over the tenderloin so it is well coated.
Transfer the pan/oven-proof skillet to the preheated oven and roast until the internal temperature reads 165°F on an instant-read thermometer inserted into the thickest part of the loin, about 15 minutes. Ovens vary, so begin testing for doneness at 15 minutes.
Transfer the tenderloin to a large plate and cover with aluminum foil. Rest, tented, for 5 to 8 minutes. Meanwhile, bring the excess glaze and tenderloin juices to a boil and whisk until reduced. The glaze should be reduced to about half and appear syrupy, as it will thicken upon standing.
Slice the tenderloin and place atop a pretty serving platter. Add any accumulated juices to the reduction, whisk to combine, and drizzle the slices with the reduced glaze. Serve and enjoy!