Of course, instead of grilling a frozen steak outright, you can try the sous vide method. If you've never done it before, the sous vide method works by using a circulating bath of hot water ...

Leftover Portobello Mushroom Steak last in the refrigerator for 3-4 days in an airtight container. They can also be frozen for up to 3 months. My favorite way to reheat leftover grilled portobello ...