Ingredients

2 tablespoons red-wine vinegar

1/4 cup extra-virgin olive oil

2 cups baby arugula

1 pound plum tomatoes, cut into wedges

1/4 cup drained baby green peperoncini

1/2 cup Kalamata olives, pitted

1/2 red onion, thinly sliced

1/8 teaspoon coarse salt

Freshly ground pepper

Preparation

Whisk vinegar and oil in a bowl until emulsified. Put arugula, tomatoes, peperoncini, olives, and onion into another bowl. Drizzle with dressing; toss to combine. Season with the salt and pepper.