Spring Nicoise Salad

Name: Spring Nicoise Salad
Ingredients: 3/4 pound small potatoes; 1 pound green beans, trimmed; 2 Persian cucumbers, sliced crosswise; 1 heaping cup halved mini heirloom tomatoes (or 2 sliced large tomatoes or a mix); 1 bunch radishes, sliced; 1 large avocado, sliced; 1 small jar artichoke hearts, drained; 1/4 cup capers; 1/2 cup Nicoise olives, pitted (or Kalamata); 1 bunch fresh dill, roughly chopped; edible flowers, for garnish (optional) Shallot Vinaigrette; 1 small shallot; 2 tablespoons champagne vinegar or fresh lemon juice; 1 teaspoon maple syrup; 2 teaspoons Dijon mustard; 1/3 cup extra virgin olive oil; salt and pepper, to taste