Ingredients

3 ounces baby arugula (about 4 cups)

2 scallions, thinly sliced

1 can (15 ounces) chickpeas, rinsed and drained

1 cup cherry tomatoes, halved

1/4 cup walnuts, toasted if desired

2 tablespoons red-wine vinegar

2 tablespoons olive oil

Coarse salt and ground pepper

Preparation

Dividing evenly between 2 airtight containers, layer arugula, scallions, chickpeas, tomatoes, and walnuts; cover, and refrigerate up to overnight.

In 2 more airtight containers, divide vinegar and oil for vinaigrette; season with salt and pepper. Cover and store at room temperature. To serve, shake vinaigrette in containers to combine; pour over salads, and toss.