Ingredients

1 tablespoon minced shallot

2 tablespoons white-wine vinegar

2 teaspoons Dijon mustard

2 tablespoons olive oil

Coarse salt and ground pepper

3/4 pound baby spinach

3/4 pound Belgian endive, sliced crosswise 1/2 inch thick

Preparation

In a small bowl or jar, whisk or shake shallot, vinegar, mustard, and oil until thickened and combined; season with salt and pepper.

In a large bowl, combine spinach and endive; toss with dressing. Serve immediately.