Cook bacon in a large skillet.
While that cooks, chop onion, wash, trim and slice mushrooms, and cut pork into bite sized pieces.
Remove bacon from pan, place on paper towel to drain and cool. Reserve.
Using the bacon fat in the pan, saute onion and mushrooms. When they soften, add pork and stir. Saute until mostly done.
Add washed greens, and cover pan. Let steam until greens wilt. Then stir them into the pork mixture to complete cooking.
Place mixture in serving bowl. Crumble reserved bacon over the top. Serve at once.
