15 ml (1 tbsp) vegetable oil
15 g (1/2 oz) butter
1 medium onion, skinned and chopped
2.5 cm (1 inch) piece fresh root ginger, peeled and
finely grated
1 garlic clove, skinned and crushed
4 boneless pork loin steaks, each weighing 150 g (5 oz)
1 red pepper, seeded and thinly sliced
1 green pepper, seeded and thinly sliced
45 ml (3 tbsp) dry sherry
30 ml(2 tbsp) soy sauce
150 ml (1/4 pint) unsweetened pineapple juice
salt and pepper