Mix the oats and warm water in a glass bowel, add bread crust, and cover. Let mixture stand until it sours, at least 24 hours or so.
Instructions For Polish Recipe Traditional:
Cook the sausage in water slowly for about one hour. Remove the sausage and skim the fat. Combine skimmed broth and oatmeal liquid.
Add horseradish, brown sugar, salt, and pepper. Slice the sausage and add to the broth then bring to a boil. Serve in a bowl over hard boiled egg slices and garnish with chopped dill.
