Fish Stew With Cheddar - cooking recipe

Ingredients

3 tbsp butter
4 oz onions, trimmed and diced
2 None zucchini, thinly sliced
3 None tomatoes, deseeded and diced
1 tbsp all purpose flour
1 2/3 cup vegetable stock
1/2 cup milk
2 tbsp wholegrain mustard
7 oz Cheddar, grated
1 2/3 lb cod fillet, cut into cubes

Preparation

Melt half of the butter in a saucepan, add the onions and saute for 3-4 mins. Add the zucchini and tomatoes then season and saute, stirring, for 4-5 mins.
Heat the rest of the butter in a separate saucepan and mix in the flour. Saute for 1-2 mins. Gradually mix in the stock and milk. Simmer, stirring, for 4-5 mins until thickened.
Mix the mustard and cheese into the white sauce then stir in the fish and vegetables. Simmer for 8-10 mins, stirring occasionally.