Cajun Cabbage Soup

Ingredients

• 2 tablespoons butter
• 3 leeks, halved and thinly sliced
• 1/2 onion, chopped
• 3 cloves garlic, minced
• 3 stalks celery, diced
• 3 carrots, diced
• 1 small head cabbage, and thinly sliced
• 3 cups water
• 1 cup salsa
• 1/3 cup ketchup
• 4 cubes chicken bouillon
• 2 teaspoons Creole seasoning (such as Tony Chachere's(R)), or more to taste
• salt and ground black pepper to taste
• 1/2 pound smoked sausage, thinly sliced