Salmon and broccoli quiche

Name: Salmon and broccoli quiche
Ingredients: 80g/2¾oz light vegetable spread, plus extra for greasing; 200g/7oz wholemeal flour, plus extra for dusting; 1 tsp sea salt; 150g/5½oz broccoli, cut into 2.5.cm/1in florets; 150g/5½oz asparagus, cut into 5cm/2in lengths; 6 large free-range eggs; 100ml/3½fl oz full-fat milk; 1 tbsp finely chopped fresh dill; 1 tbsp finely chopped fresh basil; 250g/9oz hot smoked salmon; 100g/3½oz frozen peas, defrosted; 3 spring onions, trimmed and finely sliced; sea salt and freshly ground black pepper