Freezable fish soup

Name: Freezable fish soup
Prep time: 15 min
Cook time: 1 h 1 min
Total time: 1 h 16 min
Cuisine: Mediterranean
Ingredients: 3 tbsp oil; 1 medium chopped onion; 2 medium leeks, chopped; 2 red peppers, diced; 2 garlic cloves, crushed; A large pinch of saffron; 1 dried hot red chilli (optional); 1 fresh bay leaf; ½ tsp dried thyme; 400g can chopped plum tomatoes; 240ml dry white wine; 250g potato, cut into 2cm cubes; 450ml fish stock; 750g mixed skinless fish fillets (such as pollack, halibut, cod), cut into to chunks; 120ml double cream; Large bunch of fresh flatleaf parsley, finely chopped; 150g ciabatta (preferably 1 day old), torn into large chunks; 3 tbsp olive oil; ½ tsp thyme