Bison and Gravy Bison and Gravy Advocate staff photo by HEATHER MCCLELLAND -- Serve slow-cooked Bison and Gravy over egg noodles. Ken Smalley Sept. 04, 2013 Comments ADVOCATE-TESTED RECIPE Bison and Gravy Serves 8. Recipe is by Ken Smalley. 1 (2- to 3-lb.) bison roast 2 onions, quartered 3 (10¾-oz.) cans cream of mushroom soup 4 cubes beef bouillon 1 (16-oz.) pkg. egg noodles 1. Put all ingredients into slow cooker, except the egg noodles. 2. Cook on Low for 7 hours, then turn to High for an additional hour. Take out and slice roast. 3. Serve over cooked egg noodles with gravy.