Heat the olive oil in a saute pan or flame proof shallow casserole dish. Fry the sausages to brown on all sides. Reduce the heat and add the onion. Cook gently until soft.
Add the pine nuts and cook until lightly coloured, then add all the other ingredients excvept the capers and bring to the boil.
Put in an oven preheated to 180 C, 160 Fan gas 4. Cook, uncovered, for 30 minutes until the sausages are done. Stir in the capers and serve.