Garlic mayo sauce
Mix everything together and keep in refrigerator until ready to serve.
Pre-heat oven to 450.
Spray roasting pan with canola oil.
Rinse meat in cold water and pat dry. Let it sit on a cutting board somewhere safe so the dogs can’t get to it until close to room temperature.
Brush tenderloin with olive oil; shake Black Dog Belly Rub all over the roast.
Place in roasting pan and roast at 450 degrees for 15 minutes.
Reduce temperature to 350 degrees and cook until thermometer reads 130 for medium rare.
Usually 45 to 60 minutes.
Let sit for 15 minutes before carving.