You can freeze the food - but some cats won't eat it cold.. I don't know how they'd like it frozen!
When I feed 4 times a day, I just separate the can into fours when I open it (well, 5 in my case, cuz my big guy is on a diet) and then just give that section at each feeding. You might be able to coordinate it with your hubby - in my case, the BF feeds them once at 6 AM, I feed them again at 9 AM when I get up (aren't I lucky!
), and then once when I get home and once again before bed.