Potato and leek soup recipe

Name: Potato and leek soup recipe
Prep time: 15 min
Cook time: 35 min
Total time: 50 min
Cuisine: British, European
Ingredients: 60ml (1/4 cup) Classic Olive Oil; 1 brown onion, halved, chopped; 1 garlic clove, crushed; 4 medium (about 700g) desiree potatoes, or pontiac potatoes, peeled, cut into 2cm cubes; 2 leeks, pale section only, washed, dried, thinly sliced; 1.25L (5 cups) vegetable liquid stock; 3 thick slices day-old white bread, crusts removed, cut into 2cm cubes; Olive oil, extra for croutons and to serve; 125ml (1/2 cup) thickened cream; 40.00 ml finely chopped fresh chives