Rub the tenderloin with olive oil and a generous amount of salt and black pepper. Cook tenders whole on the Big Green Egg at 350º until desired doneness.
Sauce
•1/3 cup soy sauce
•1/3 cup chili sauce
•1/8 teaspoon chili powder
•1/4 cup water
•1 tablespoon dried parsley
•1 tablespoon Worcestershire sauce
•1 tables dried oregano
•1/4 teaspoon black pepper
•1/4 teaspoon garlic powder
•1/8 teaspoon dry mustard
Combine ingredients and bring to a low boil. Remove the tenders for the grill and cut into medallions. Pour sauce over and serve.