If they are dry mince some fat or fatty mutton up and add to it. For a quick and easy mix try get your hands on some sausage meal. Otherwise from scratch some salt and pepper garlic paprika and a little nutmeg and a oxo cube or 2. Use potatoe flakes for your binder and grated cheese with a diced onion. Mix in a bowl with a little water. For sausages or rissoles you want about 30-35% fat to lean read meat
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