How to cook a Fish The easy way to cook any fish By Guest Contributor January 1, 2008 Fish Preparation Time Cook Time Servings0Ingredients1 whole fish or bit of fish or whatever1 lemonAnything else you want to add, garlic onion etc, cayenne pepper is good if you want to spice it upInstructions Step 1: 1 Slice lemon and arrange it around the fish and add any extra ingredients you want Step 2: 2 wrap fish and lemon etc in foil Step 3: 3 Put it in the oven until the fish goes flaky