Combine the sage, potato, lemon zest, sausages, cheese and 2 heaped tbsp of flour in a bowl. Season. Shape the mixture into 8 patties and dust with remaining flour.
Heat the oil in a large frying pan over medium heat. Cook the patties for 3-4 minutes each side until golden.
Meanwhile, place the shredded greens in boiling water and simmer for 2 minutes. Drain well. Serve patties hot, with cranberry sauce and greens.
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