1.Bring Water, Salt, And Pepper To Boil In A Slow Cooker Set To High. Stir In Steel Cut Oats, Cover, And Cook 90 Minutes. 2.In A Large Bowl, Mix Beef, Pork, And Onions. Stir Into The Oat Mixture, And Reduce Heat To Low. Cover, And Continue Cooking 3 Hours, Stirring Occasionally. 3.Transfer The Mixture To A Medium Baking Pan, And Cool Until Semi-Solid. Turn Out Onto Wax Paper, And Chill 1 Hour In The Refrigerator, Or Until Firm. 4.Heat Oil In A Large, Heavy Skillet Over Medium High Heat. Cut The Refrigerated Mixture Into Thin Slices. Cook Slices One At A Time In The Heated Oil Until Evenly Brown.