[header] How to cook rainbow trout [title] Rinse trout fillets under cold water. [step] Pat dry with a paper towel and set aside. [title] Mix fennel, vinegar, shallot, ginger, lemon peel, and salt together in a small mixing bowl. 
[step] Whisk in olive oil and then add raisins. [title] Brush both sides of each fillet with olive oil, using a basting brush.