Yes - you can make the gravy ahead of time. Cool and store in an airtight container and refrigerate it up to 4 day in advance.u003cbr/u003eu003cbr/u003eTo reheat, place in a saute pan and warm over medium heat. Add in a little extra milk to thin if needed.u003cbr/u003eu003cbr/u003eBiscuits, in my opinion, on the other hand are better fresh! You can prepare the biscuit dough in advance and cut them out the day before. You can also freeze cut biscuit dough ahead of time and then cook them the day of.