Uncle Eric's Tyrolean ragout

Why I Love This Recipe
This is my Uncle Eric's old family recipe, and he doesn't make it much for us, but when he does, it is a real treat!
Ingredients You'll Need
2 lbs top round beef 1/4” thick
½ c flour
2 medium onions
¼ lb butter
1 c button mushrooms, sliced
1 c water
1t pepper
1t beef stock concentrate
½ c red wine
Directions
dredge meat in flour and press in well.
Cut into strips 3” long and ½” wide
In dutch oven sauté onions with butter until translucent but not brown
Stir in mushrooms and cover, cooking for about 5 minutes over medium heat
Remove mushrooms and onion
Brown meat in remaining butter in batches, so they sear and not steam
Remove meat as it cooks
Return meat, onion, and mushrooms to pot
Add water, pepper, beef stock concentrate, and red wine
Cover and cook for about an hour or until meat is tender
Serve with mashed potatoes, noodles, or rice