Continue to cook the sirloin roast until a meat thermometer registers 130 degrees at the CENTER of the roast for medium rare at the center, medium on the ends. This should take around 20 â 30 minutes per pound, but never rely on exact times. Use a meat thermometer instead.
Storage: Keep the box because unused phyllo dough can be refrigerated or refrozen. You can wrap any leftover phyllo tightly with plastic wrap, place in its original box and keep in the refrigerator for up to 2 weeks. For longer storage of up to 2 - 4 months, refreeze phyllo.
How long does feta cheese last in the refrigerator? Once the cheesecake is opened, it also stays fresh in the refrigerator and freezer for five to six days or six to eight months, respectively. Homemade cheesecake also keeps for five to six days in the refrigerator and six to eight months in the freezer.