Ingredients

1/3 cup olive oil

3 tablespoons white-wine vinegar

1 tablespoon Dijon mustard

Coarse salt and ground pepper

2 cans tuna, packed in oil

1 large head romaine lettuce, chopped

1 bunch radishes, trimmed and sliced

1 avocado, peeled, pitted, and sliced

Preparation

In a small bowl, whisk together olive oil, vinegar, and Dijon; season with salt and pepper.

In a large bowl, combine tuna, lettuce, radishes, and avocado. Drizzle with dressing as desired.

Drizzle salad with vinaigrette, as desired, and toss to combine. Serve sprinkled with pepper.