Chunky Potato and Bacon Soup

Name: Chunky Potato and Bacon Soup
Cook time: 45 min
Total time: 45 min
Cuisine: Australian
Ingredients: 600 g potatoes (I used sebago) (diced); 150 g streaky bacon (chopped (plus extra to serve)); 1 medium brown onion (chopped); 500 ml chicken stock; 500 ml milk (I used full fat); 2 garlic cloves (crushed/minced); 80 g sharp cheddar cheese (grated (approx 1 cup) plus extra to serve); 30 g freshly grated parmesan cheese ((approx ½ cup)); ⅓ cup sour cream (I used light) (plus extra to serve); salt and pepper to taste; Finely chopped chives