Directions See How It's Made. 1  Preheat oven to 500 degrees. Wait for a few minutes before you put your roast in, so it gets as hot as possible. 2  Put the roast in a shallow pan. (I use a cookie sheet). 3  Cut onion into thin rings, and put all over the top and sides of the roast using toothpicks if necessary.
Definition of preferential. 1  1 : showing preference. 2  2 : employing or creating a preference in trade relations. 3  3 : designed to permit expression of preference among candidates a preferential primary.  4 : giving preference especially in hiring to union members a preferential shop.
Report Abuse. I don't know exactly what the term frocked means But i do know that it means he was not actually supposed to get promoted to that rank yet. He was the most qualified to do the job so they promoted him even though he did not have the necessary time in grade or whatever the case may be.