planned-over n.pl.— «Hotpoint home economists have inveted a “planned-over” casserole for post-Thanksgiving operations in a freezer equipped home. Turkey leftovers are combined with stuffing and sauce…and casseroled...
plan-overs n.pl. an excess of food cooked so as to have leftovers for future meals. Also planovers, plannedovers, planned-overs, and as adjective, planned-over, planover, plan-over. Editorial Note: Less often singular. (source: Double-Tongued...
planned over
n.pl.— «“Planned” overs, the term for leftovers cooks plan, also save time.» —“Fast food—at home!” by Nancy Peterson SheKnows.com Aug. 7, 2006. (source: Double-Tongued Dictionary)

