Season the bison chuck roast liberally with salt and black pepper.
Heat canola oil in a skillet over medium-high heat.
Once the oil is hot, add the bison and sear 2-4 minutes per side, until at least 2 sides are well seared.
Remove the bison chuck roast to the bowl of a slow cooker.
Add the red wine and beef broth to the skillet and use a spatula to scrape up any browned bits. Bring to a boil and turn off the heat.
Add the carrots, onion, mushrooms, and tomato paste to the slow cooker around the bison roast. Pour over the wine and broth mixture.
Add the bay leaf, pressing it into the liquid, and slow cook on high for 4-5 hours or low for 6-8 hours.
Once the cook time has ended, remove the bison roast from the crock pot to a cutting board. Shred with forks or slice against the grain depending on your preference.
Serve with mashed potatoes and a roll, or as a sandwich.
Keyword bison, chuck roast, corned beef, Pot Roast