Beef Stroganoff with cookies

For the beef stroganoff: 220 grams mushrooms sliced, I used Portabellini mushrooms, but white button mushrooms work just fine as well 1/2 each onion chopped 2[...]

2 each beef, round steak lean, put through the cuber * 2 each mushroom soup 2 cans Campbell's * 2 each milk 2 cans, 1% or 2% * 1 x vegetable oil * 1/4[...]