Andrew Zimmern Cooks: Kielbasa Split Pea Soup - Andrew Zimmern

Ingredients

• 1 teaspoon caraway seeds
• 2 tablespoons unsalted butter
• 1 pound Polish kielbasa links or other Eastern European-style sausage
• 1 1/2 cups yellow onion, diced
• 1 cup fennel, trimmed and sliced
• Sea salt
• Handful of fresh thyme leaves, wrapped in a bouquet garni
• 2 cups carrots, halved and sliced
• 2 cups celery, sliced
• 1 meaty ham hock or smoked pork shank
• 3 cups escarole, chopped
• 1 1/2 cups green split peas
• 1 1/2 cups yellow split peas
• 2 quarts chicken broth
• Freshly ground white pepper
• White vinegar, hot sauce and crusty bread, for serving