1 or 2 chipotle chiles canned in adobo sauce, minced
3 cloves garlic, minced
1/2 cup orange juice
3 tablespoons lime juice
1 teaspoon dried oregano
1 tablespoon sherry wine vinegar
1/2 teaspoon kosher salt
1/2 teaspoon black pepper
Trim the tenderloin and put into a large, heavy duty plastic bagStir together the remaining ingredients for the marinade.Pour into the bag, seal and chill overnight or at least 4 hours.Roast in a 450 oven or on a hot grill until internal temperature is 150 º F.