Harlequin Fish Stew - cooking recipe

Ingredients

1 1/4 to 1 1/2 lb. cod fillet
salt and pepper
1 onion
1 red or green bell pepper
2 to 3 tomatoes
1 to 2 c. mushrooms
2 Tbsp. butter
grated Parmesan cheese
2 Tbsp. flour
2 1/2 c. milk
1/2 c. water
1 bay leaf
1 Tbsp. chopped parsley
pinch of nutmeg
1 Tbsp. ketchup
1 c. frozen peas

Preparation

Skin and cut the fish into fairly large pieces, then salt and pepper to taste.
Peel and slice the onion; remove the top and seeds of pepper and cut into thin strips.
Slice the tomatoes thickly; rinse, wipe and slice the mushrooms.
Put the pieces of fish and the prepared vegetables into a deep oven-proof casserole.