Smokey Creamy Chorizo Gravy

Name: Smokey Creamy Chorizo Gravy
Ingredients: 5 cups chicken broth; 1 large sweet onion, peeled and chopped; 8 ounces pork chorizo sausage; 2 tablespoons mesquite flavored olive oil (our favorite is Texas Olive Ranch brand); 4 tablespoons flour; 1/2 teaspoon ground cumin; 4 tablespoons heavy cream