It will take you 15 to 30 minutes per pound of beef to cook it. To make a sirloin spoon roast in the oven, bake the beef cut in the oven at around 325 degrees for 15 to 30 minutes per pound of beef. The more well done you like your meat, the longer you should leave it in the oven to bake.The slow cooking style for the meat means it will take several hours to cook.
All together it takes about 2 and a half hours for about a 4 pound Spoon Roast. It is suggested for your Spoon Roast to be medium, you should cook it 2 hours in the oven. However, you are supposed to turn the oven off and leave it inside with the door shut for an additional 30 minutes.
A sirloin spoon roast should be cooked in a preheated oven at 325 degrees Fahrenheit for 15 to 30 minutes per pound in weight. If you like your beef rare, go for 15 minutes per pound, medium at 20 to 25 minutes per pound, and well done at 30 minutes per pound.