Tuna salad recipe with potato and anchovy

Name: Tuna salad recipe with potato and anchovy
Prep time: 10 mins
Cook time: 10 mins
Yield: Serves 4-6
Ingredients: 1kg new or other small potatoes, chopped or halved; 400g tinned tuna in olive oil (drained), or cooked fresh tuna, broken into bite-size pieces; 25g anchovy fillets (about 10), shredded; 4-5 thick spring onions, sliced; Handful chopped cooked green beans or asparagus (optional); Extra-virgin olive oil, to drizzle; Red-wine vinegar, to drizzle; 2-3 hard-boiled eggs, sliced