It couldn't get much easier than this, and tasted very good. I had leftover fried potatoes and roast beef. I sliced the potatoes to make squares and heated up in a fry pan, with a small can of shatike mushrooms with the juice added. Instead of saute'ing the onions, I added a good couple of shakes of onion powder. Then I diced up the sliced leftover roast beef and added to the potato and mushrooms. Covered the pan and heated on slow until heated well. Topped with grated sharp cheddar cheese. Good comfort food. Thanks Bill Hilbrich for posting
This got a thumbs up from the whole family. Fast and easy to prepare, tasty and filling. I used fresh mushrooms and added water for the liquid.