1 handful Jersey Royal potatoes, scrubbed well and cooked
1 Little Gem lettuce, leaves separated
3 garlic cloves, finely chopped
1 lemon, juice only
1 large orange, pared zest only
1 large handful fresh flatleaf parsley, roughly chopped
2 red onions, cut into thick rings
1 jalapeño chilli, chopped
2 tbsp balsamic vinegar
salt and freshly ground black pepper
4 tbsp olive oil, plus extra for brushing
100–200ml/3½–7fl oz light olive oil
2 tbsp golden raisins
1 free-range egg and 1 free-range egg yolk, beaten
100ml/3½fl oz orange juice