Cod Fish Recipe In Tomato Sauce Ingredients: 1 onion (medium) 3 T olive oil 1 T sugar 1/2 t salt 4 tomatoes (ripe, medium) 8 cod fillets (3-4 oz each) 6 T wheat flour (all purpose) 5 T olive oil 4 clv garlic Instructions: FOR THE HOMEMADE TOMATO SAUCE:Peel and chop onion.Peel and chop/grate tomatoes.Heat 3 tablespoons of olive oil in a sauce pan. When warm add chopped onion and 1/2 teaspoon of salt and cook over low heat for 8 - 10 minutes.Add tomatoes and 1 tablespoon of sugar to the saucepan to cut the acidity (you can also add a pinch of basil or oregano). Cook over low heat for 8 - 10 minutes.Use an immersion or stand blender to puree the mixture into a sauce and set aside. FOR THE COD FILLETS:Sprinkle 6 tablespoons of flour onto a plate and dredge the cod fillets in the flour.Peel and slice cloves of garlic.Heat 5 tablespoons of olive oil in a skillet. When warm add sliced garlic and cook over low-medium heat for 1 - 2 minutes or until golden.Add cod fish fillets and fry over medium heat for 2 - 3 minutes each side or until gold.Cover with the homemade tomato sauce and cook over low heat for 5 - 7 minutes more.Serve warm and enjoy your Spanish cod recipe in tomato sauce. See more fish recipes. Description: Spanish cod fish fillets with homemade tomato sauce recipe! Get this delicious and fast fish recipe, a typical and easy Tapas dish from Spain. Notes: You can use any variety of ripe tomatoes to prepare a good tomato sauce recipe, but the original one uses plum tomatoes.