Spicy Corn Chowder Soup with Sausage

Name: Spicy Corn Chowder Soup with Sausage
Ingredients: 8 oz ground bulk Chorizo sausage; 2 stalks celery (finely chopped); 2 large carrots (finely chopped); ½ large white onion (finely chopped); 4 cloves fresh garlic (finely minced); 1 jalapeno pepper (finely chopped); 6 cups organic chicken or vegetable stock; 2 lbs Russet potatoes (chopped); 4 ears sweet corn (kernels only); 2 teaspoons fresh oregano; 1 bay leaf; Sea salt and black pepper (to taste); ½ cup half and half (tempered); Optional: fresh chives to garnish