Roux No ratings yet Print Recipe Add to Collection Go to Collections Course IngredientCuisine Cajun Ingredients  1 cup chopped onion½ cup chopped celery½ cup chopped green bell pepper8 tablespoons salted butter or oil1 ½ cup chicken broth or seafood stock½ teaspoon salt½ tsp. Xanthan gum Instructions In a cast iron skillet, over medium high heat, put butter,...