To meal prep and make this gluten free stuffing ahead of time, chop up your bread cubes and put them into an air-tight container. If you are prepping these more than 1 day ahead, put the container into the refrigerator. Cook the sausage, onion, and herb mixture and put this into a container. On Thanksgiving, add the bread cubes and sausage mixture to a large bowl. Pour on the broth, mix, and bake according to the recipe directions.