Crumbed Fish with Parsley and Lemon

Ingredients

• 2 lemons
• 2/3 cup fresh whole-wheat breadcrumbs
• 1/4 cup parsley (chopped)
• 2 garlic cloves (crushed)
• pepper (to taste)
• 4 chunky pieces skinless white fish fillet (about 130 g each)
• 2 tsp whole-grain mustard
• 3 Italian tomatoes (quartered)
• 1 large zucchini (thinly sliced diagonally)
• 1 tbsp extra virgin olive oil
• 1 kg potatoes (peeled and cut into chunks)
• 1 tsp saffron threads
• 1/4 cup low-fat milk