Smoky Sausage and Bean Soup in the Crock Pot

Smoky Sausage and Bean Soup in the Crock Pot Ingredients: - 1 pound smoked sausage, sliced - 1 can (15 oz) white beans, drained and rinsed - 1 can (15 oz) kidney beans, drained and rinsed - 1 can (14.5 oz) diced tomatoes with juices - 4 cups chicken broth - 1 small onion, diced - 2 carrots, sliced - 2 celery stalks, chopped - 3 cloves garlic, minced - 1 teaspoon smoked paprika - 1 teaspoon dried oregano - ½ teaspoon black pepper - ½ teaspoon salt (adjust to taste) - ½ teaspoon red pepper flakes (optional) - 1 bay leaf - 1 tablespoon olive oil - Fresh parsley for garnish