Most stuffings, including this one, can be assembled in the baking dish up to a day ahead of time and can go directly from the fridge to the oven.u003cbr/u003eOr you can prepare the bread, broccoli rabe, sausages and aromatics, and refrigerate the mixture for up to 2 days in advance, stored in a plastic container or zip-lock baggie. Mix with eggs, broth and cheese before baking.