Salmon Nicoise with Caper Dressing

Name: Salmon Nicoise with Caper Dressing
Prep time: 30 min
Total time: 30 min
Cuisine: European, Mediterranean, French
Ingredients: 0.5 teaspoon grated lemon zest and 2 tablespoons juice, plus lemon wedges, for serving; 0.5 cup extra-virgin olive oil; 2 tablespoons capers, rinsed and drained; Coarse salt and freshly ground pepper; 1 pound baby yellow potatoes; 12 ounces green beans, trimmed; 4 ears corn, cut into 1-inch coins; 4 skin-on salmon fillets (5 ounces each), room temperature; 3 mini cucumbers, or 1 English cucumber, sliced on the bias; Olives, such as Nicoise