Season steaks with salt and pepper. Place buttermilk and eggs in a dish. Add steaks to the buttermilk mixture; turn to evenly coat. Leave steaks in buttermilk mixture; cover and refrigerate 4 hours. Remove steaks from buttermilk; let drain.
Roll steaks in flour until well-coated. Heat oil in a skillet. Add steaks to frying pan, but don't overcrowd the pan. Cook, turning occasionally, until steaks are well-browned and cooked through. Place steaks on a paper towel-lined platter to drain. Discard most of the oil from the pan, leaving about 2 ounces oil in the bottom of the pan. Add sausage and onions; cook through. Add 2 ounces flour; cook 3 to 5 minutes. Add milk; stir well to remove all the lumps. Simmer milk mixture at least 10 minutes. Season with salt and pepper.
Serve steaks with gravy.Makes 4 Source: