Leftovers put in fridge disappear since 5/27 update

Repairing the game may help.
 If the issue still remains after doing this, try resetting your sims 4 folder, and testing in a new fresh save game without putting back any of your data in the sims 4 folder and see if the issue remains.
https://sims4.crinrict.com/eng/2014/09/resetting-the-game-to-factory-settings-without-reinstalling/