Whitefish Fillets with Cream of Tomato

I had some fresh white fish on hand
and wanted a tomato soup for lunch,
this is what I came up with for a soup.

Ingredients:
2 pounds whitefish fillets
3 tablespoons butter
1 cup chopped onion
1 tablespoon flour
2 pounds white fish fillets
1 (10-ounce can cream of tomato soup
1 cup water
Salt and pepper, to taste

Directions:
Brown onion in melted butter.
Mix in flour.
Transfer onion into an oven safe dish
arrange fish fillets over onion.
Pour in cream of tomato soup,
already mixed with water salt and pepper.
Bake into a preheated 400 F degree oven
for approximately 15 to 20 minutes,
until fish flesh can easily be broken up with a fork.