Smoked Sausage and Cabbage Soup

Deselect All

1/4 cup grapeseed oil

2 cups diced carrot 

2 cups diced celery 

2 cups diced yellow onion

2 tablespoons chopped garlic 

1 small head green cabbage, shredded 

1 pound Polish kielbasa, diced 

1/4 cup whole-grain mustard 

3 quarts chicken broth 

6 tablespoons unsalted butter 

3 ounces all-purpose flour 

Kosher salt and black pepper