Combine the oats, beef broth, water, salt, and bay leaves in a large stock pot. Cook over medium heat until the liquid begins to boil, then reduce heat to low and cook for 90 minutes, stirring occasionally.
When all the liquid has been absorbed by the oats, add the beef, pork, onions, garlic, pepper, sage, paprika, marjoram, and red pepper flakes and stir to combine.
Cover and cook on low for one hour, stirring occasionally.
When all the liquid has been absorbed, remove the mixture from the heat and allow to cool slightly.
Line a loaf pan with plastic wrap and press the meat mixture into the pan. Cover and chill overnight.
When ready to cook, remove the meat from the loaf pan and slice in ¼ inch thick slices.
Heat a nonstick skillet over medium heat. When the skillet is hot, add the slices of meat. Cook on one side until golden brown, around 5 minutes, then flip and cook the other side for five to seven minutes, until golden brown.