Make-ahead: the dried bread cubes, sautéd vegetables, and optional add-ins can be made ahead of time and stored. Assemble the cornbread dressing just before putting it in the oven and baking. OR you can prepare the entire cornbread dressing recipe in advance, bake for about 5 minutes less, allow to cool before covering and storing in the fridge for 1 - 2 days. To reheat, preheat your oven to 350F and bake until heated through, 10 - 15 minutes.