It's been a few days since Christmas and you probably still have some leftovers in the fridge.

I have a love-hate relationship with leftovers. It's so nice not to have to cook for a night or two because you've got food already made. But sometimes you can get to a point where there are too many leftovers and I get really sick of eating the same thing over and over again.

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You have to do something with those leftovers, though, but how long are those leftovers actually safe to eat?

What Happens When Leftovers Are Too Old

You may take a peek in the fridge at some leftovers and think 'well, it looks and smells fine, I'm sure it's good to eat!'

View at a fridge full of fresh raw food and a person choosing a container of veggies they're going to have for lunch.
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Hold your horses, CBC writes that after a certain amount of time, food "may look and smell OK, but some pathogens, like Listeria monocytogenes and Clostridium botulinum, can grow under refrigeration temperatures and become a hazard".

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This can, of course, give you the stomach flu, which is never any fun.

The 2-4-4 Rule

Then there's a food rule that I just learned today that experts call the 2-4-4 rule.

Meal prepping by sorting berries, notes, and fresh food into clear glass containers
Katelin Kinney
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Here's how it works: 2 hours after cooking the food, it's safe to eat. After 4 hours at room temperature, though, you should throw it out. And experts say prepared food is safe for up to 4 days in the fridge.

Also, the pathogens that the CBC says can start growing on your food they say can start to happen after one week.

So if you prepared food for your Christmas celebration on Christmas Day, this weekend is your last chance to eat those leftovers.

Mother and daughter cooking Thanksgiving meal in kitchen
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Another option, if you want to save your food beyond those 4 days, is to freeze it. Portion the leftovers out into meals so you're not thawing and re-freezing everything. That way you can keep the leftovers longer because the freezer will ward off any nasty stuff.

The Best Minnesota Comfort Foods According to Locals

Tater tot hotdish is Minnesota's favorite comfort food. So I asked you, other than tater tot hotdish, what's your favorite Minnesota comfort food? These are Minnesota classics and also some foods that are just popular comfort foods in our state.

Gallery Credit: Carly Ross