Ingredients
Method
- Whisk lemon juice, olive oil, Dijon, salt, and pepper in a bowl.
- Toss arugula, tomatoes, and red onion with half the dressing.
- Gently fold in tuna, breaking large chunks, then add beans and capers.
- Drizzle remaining dressing and toss once more to coat.
- Taste and adjust salt or lemon. Serve immediately.