American · United States
Zesty Lemon-Caper Tuna Sandwich with Caramelized Onions
A fresh tuna sandwich featuring a zesty lemon-caper mayonnaise, caramelized onions, arugula, and tomato on crusty bread.
25 minutes1 servings

Ingredients
Method
- Drain and flake the tuna in a bowl.
- Mix mayonnaise, capers, lemon zest, and juice for the dressing.
- Caramelize the onion by slicing and cooking in a pan with a bit of oil until golden.
- Assemble the sandwich with tuna, dressing, arugula, tomato, and caramelized onion on bread.
- Toast the bread if desired and serve.
- Cook fish and seafood to an internal temperature of 63°C (145°F) before serving.





