Healthy fish and chips

Name: Healthy fish and chips
Prep time: 25 min
Cook time: 40 min
Total time: 1 h 5 min
Cuisine: European, British
Ingredients: 400g (14oz) medium-sized potatoes washed; 2 tsp olive oil; Freshly ground black pepper to taste; 25g (1oz) fresh breadcrumbs; 1 tsp finely grated lemon zest; 1 tbsp chopped fresh parsley; 2 thick-cut sustainable white fish fillets (140g/5oz each); 12 cherry tomatoes on the vine; 175-200g (6-7oz) frozen peas; A little chopped fresh mint