Harissa baked fish with bulgur wheat

Name: Harissa baked fish with bulgur wheat
Ingredients: 2 medium-large ripe tomatoes, quartered; 1 orange or yellow pepper, deseeded and cut into 2cm chunks; low-calorie cooking oil spray; 75g/2½oz bulgur wheat; 20g/¾oz pine nuts; 1 lemon; 4 spring onions, thinly sliced; 3 heaped tbsp roughly chopped fresh coriander; 2 x 200g/7oz skinless white fish fillets, such as cod or haddock; 2 tsp harissa paste; freshly ground black pepper; 160g/6oz broccoli, cut into florets; 2 tbsp fat-free natural yoghurt, to serve