Makes about 24 - 30 patties
Combine everything in a lidded bowl and chill for an hour at least. Grind in a meat grinder. Form ground sausage into small patties, about 50 g each (about 3 tbsp or 2 ounces) and freeze on lined sheets.
To cook: Heat a skillet (cast-iron is best) over moderate heat and fry, turning once, until golden brown and delicious.