4 strips bacon, diced
1 1/2 cups chopped leeks, white and light green part only
1 1/2 pounds Yukon Gold Potatoes, peeled and diced
5 cups chicken stock
1 tbsp chopped fresh thyme
1 cup sour cream (full-fat)
salt and pepper
1 cup grated Old Cheddar
2 tbsp chopped fresh chives or finely...