Potato and Onion Soup Au Gratin | RICARDO

Ingredients

• 2 onions, thinly sliced
• 8 garlic cloves, thinly sliced
• 2 tbsp butter
• 1 leek, white part only, thinly sliced
• 4 cups (680 g) red potatoes, peeled and cubed
• 4 cups (1 litre) chicken broth
• 1 ½ cups (375 ml) milk
• ½ tsp ground black pepper
• 2 pinches ground caraway seeds (see note)
• ½ lb (225 g) bacon, chopped
• 1 cup (100 g) sharp Gouda cheese, grated
• 12 thin slices toasted bread
• ½ cup (50 g) orange or white cheddar cheese, grated
• 2 tbsp chives, finely chopped