• 1 pound cod fillets cubed
  
• 1/4 cup butter
  
• 1/4 cup flour 1 1/4 cups milk
  
• 1 tsp salt
  
• pepper to taste
  
• 1 small onion finely chopped
  
• 1/2 cup bread crumbs
  
• 1/2 cup cheddar cheese grated
  

In a heavy saucepan melt butter; stir in flour until smooth and remove from heat. Gradually stir in half of the milk. Return to heat and beat until smooth and shiny. Gradually add remaining milk, salt, pepper and onion. Cook stirring until smooth and thickened.

Pour sauce over fish and sprinkle with breadcrumbs and cheese.

Bake in oven at 375 for 15-30 minutes until sauce bubbles and fish is cooked