Question: how do you cook a frozen top sirloin roast?
Answer: Place the frozen roast on a roasting rack inside a roasting pan., Add 1/2 to 1 cup water or beef broth to the bottom of the pan., Season the roast as desired., Roast in the oven at 325 degrees Fahrenheit for 40 to 45 minutes per pound., Remove the roast from the oven when the desired doneness is achieved. Tip.