Hot Smoked Salmon Potato Salad with Vinaigrette

Name: Hot Smoked Salmon Potato Salad with Vinaigrette
Cuisine: European, American, Mediterranean
Ingredients: 400g (14oz) baby potatoes; 3 tablespoons Greek yogurt (0% or full fat); 1 scant teaspoon garlic granules; 2 spring onions (scallions), finely chopped, plus extra (optional) to garnish; 100g (3½oz) baby spinach leaves; ½ cucumber, thinly sliced; 2 hot smoked salmon fillets; Salt and pepper; Chopped dill; 2 teaspoons olive oil; 1 teaspoon Dijon or wholegrain mustard; 1 tablespoon honey; Juice of ½ lemon