The Simplest Salad

Name: The Simplest Salad
Ingredients: 1 tablespoon vinegar (such as a mix of white balsamic and sherry), plus more; 1 tablespoon minced shallot; 1/4 lemon; 1/2 teaspoon sea salt, plus more; 1 teaspoon Dijon mustard; 1/4 teaspoon honey (optional); 1/8 teaspoon freshly ground black pepper; 2 tablespoons neutral oil (such as grapeseed); 1 tablespoon extra-virgin olive oil; 2 cups thinly sliced raw hard vegetables (such as radishes, carrots, asparagus, and cucumbers); 8 cups leafy salad greens, torn into bite-size pieces; 1/2 cup tender fresh herb leaves