Thoroughlly mix the peppers and onions with the bison. Season with Kosher salt and pepper to taste. Divide into four patties.
Heat the oil in a pan on high until it begins to shimmer. Cook the burgers until cooked to desired degree of doneness.
To make the queso sauce, melt the butter in a small saucepan over medium heat. Whisk in the flour and cook for 1 minute. Add the milk, increase the heat to high, and cook, whisking constantly, until slightly thickened, about 5 minutes.Read more