Preheat oven to 425 F.
Clean tenderloin. Make sure to remove all the silverskin. Season with salt and pepper. Rub on garlic and Herbs de Provence.
Bake in a greased baking sheet pan for approx 12-15 min. Let sit for about 10 min before slicing.
In a small sauce pan, simmer preserves, water, and vinegar together until they thicken.
Pour sauce over pork. Serve with favorite sides.