• 3 tablespoons olive oil
• 2 tablespoons apple cider vinegar
• 1 teaspoon Dijon mustard
• 1/2 teaspoon honey
• 1/4 teaspoon kosher salt
• 1/8 teaspoon freshly ground black pepper
• 1 (5-ounce) bag baby spinach (about 5 packed cups)
• 1 large tart apple, such as Granny Smith or Honeycrisp, cored and thinly sliced (about 1 1/2 cups)
• 4 ounces feta cheese, crumbled (about 1 cup)
• 1/2 cup walnuts, toasted and coarsely chopped

Directions:

1. Whisk together the olive oil, vinegar, mustard, honey, salt, and pepper in a large bowl.
2. Add the spinach and toss gently to coat in the vinaigrette. Add the apple, feta, and walnuts and toss gently again to combine. Serve immediately.