Rustic Potato-Leek Soup

Ingredients

• 1 bay leaf
• Salt and pepper
• 4 cups low-sodium chicken broth
• 2 tablespoons unsalted butter
• 4 slices bacon , chopped
• 3 large leeks , white and light green parts only, halved lengthwise and sliced thin
• 1 1/2 pounds russet potatoes , peeled and cut into 1-inch chunks