Irish Potato Soup

Name: Irish Potato Soup
Prep time: 5 min
Cook time: 35 min
Total time: 40 min
Cuisine: European, British
Ingredients: 150 g onions, quartered; 70 g smoked bacon, cut in pieces (3 cm) or bacon lardons; 45 g unsalted butter, diced; 600 g potatoes, peeled, cut in pieces (1 cm); 500 g vegetable stock; 230 g milk; 1 tsp fine sea salt; ¼ - ½ tsp ground black pepper, to taste; ¼ - ½ tsp ground nutmeg, to taste (optional); 110 g single cream, plus extra for garnishing; 2 stalks fresh chives, snipped in lengths (3 mm), for garnishing