Chuck Roast is cheap and very flavor cut of meat. It is perfect for long cooks thats why it is perfect for making pot roast. But its not good for quick high tempature cooks. This is why its not so good for steak. But by cooking Sous Vide for 12 hours or more chuck roast can make for a very nice and cheap steak.
Season the steak with salt and pepper then Vacuum seal. Set your tempature on your sous vide device. I used a Sous Vide Supreme set at 130 F. And cooked for 16 hours. If you use an open container with a circulator you will need to cover the container or monitor the water level during the cook.
After the Chuck Roast Steak has cooked you need to make the sauce. First I cooked down the juices from the bag (or you can use beef stock) wine and black pepper. Do not add salt at this point it will have salt from cooking. You can adjust latter. Cook the liquid down to 1/3 of it original volume.
While this is reducing I cooked
In 3 Tablespoons of oil I cooked 2 shallots and 1 cup of roughly chopped mushrooms. When the shallots and mushrooms start to get some brown color I added 2 Tablespoons of flour. Mixed it in, lowered the flame and cooked until the flour started to smell nutty. That told me the flour was starting to brown and was ready for liquid.
At this point I strained the reduced liquid into the pan. Stirred it in at this point the sauce was very thick so I added some water until it was slightly thinner than I wanted. Checked for and adjusted seasoning and moved to the simmering burner.
At this point it was time to sear the steak. I heated up my cast iron griddle until it was really hot and added the chuck steak. As a side note you really should dry he steak before searing.
When the steak was seared on the first side I added 1 Tablespoon of cold butter cut into small pieces to the sauce. When it was seared on both sides it was ready to cut and serve.