bavarian leek & cabbage soup

Ingredients

• 3 tablespoons olive oil, extra virgin
• 2 medium leeks, white and light geen parts, halved and thinly sliced
• 1 cup coarsely chopped carrots
• 1 cup diced celery
• 1/2 teaspoon caraway seeds
• 6 cups chicken broth
• 1 bottle (12 oz.) lager
• 8 cups thinly sliced green cabbage
• 3 cups diced red potatoes
• 2 - bay leaves
• 4 cups chopped greens, such as kale or spinach
• 12 ounces smoked kielbasa or bratwurst, cut into 1/2-inch rounds
• 3/4 teaspoon salt
• - ground pepper to taste
• 1/2 cup sour cream
• - chopped fresh parsley for garnish