The Inside of Ground Beef Is Grey

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Ground beef is a versatile ingredient that you can use to make burgers, taco meat, spaghetti sauce, and so much more. If you have beef in your fridge and you're not sure if it's still good to use, you can check in a few easy ways to see if it's spoiled. Just remember never to eat meat that's gone bad!

Signs That Ground Beef is Bad

1. 1

   Check to see if it has turned a dull brown or grey. ^[1] Fresh beef will be bright red in color, but it may have a few brown spots in the middle since ground beef is taken from different parts of the cow. Your ground beef will turn more grey the longer you keep it. If all of your beef is grey rather than red or brown, it's best to throw it away.^[2]

   • Prepackaged ground beef develops a brown color on the inside because oxygen is not able to reach the center.^[3]

2. 2

   Smell the beef to see if you notice a sour smell. ^[4] Fresh beef will have a slight smell, but beef starting to go bad will smell rotten or sour. The smell is produced from gases made by some of the bacteria on your beef. If there is a strong smell, avoid eating it.^[5]

   • Many bacteria that cause food-borne illnesses like salmonella cannot be smelled and can be found on fresh beef. Always cook the beef thoroughly to kill bacteria. If you don't feel comfortable eating the beef, throw it away.

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3. 3

   Touch the meat to see if it feels slimy. Squeeze the meat in your fingers to feel its consistency. Fresh meat should break apart in your hands easily and separate into chunks. If the meat is sticky or has a slimy texture, it has most likely gone bad.^[6]

   • Always wash your hands before and after you handle raw beef so you don't spread bacteria or contaminate surfaces.

4. 4

   Check the sell-by date on the packaging. Raw ground beef is safe to use only 1 or 2 days after the recommended sell-by date. Check the calendar to determine how many days have passed since you bought it and throw it away if it's old.^[7]

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1. 1

   Store uncooked ground beef in the refrigerator at or below 40 °F (4 °C). If you plan to cook the beef soon, store it in your refrigerator. Beef left out at room temperature will start to harbor harmful bacteria colonies within 2 hours. Never leave meat out for longer than 2 hours at room temperature, or for more than 1 hour if it is above 90 °F (32 °C).

   • If you don't plan to cook your beef right away, freeze it.

2. 2

   Cook the beef within 2 days of the sell-by date. If the beef has been in a refrigerator the whole time, it will stay fresh and safe to use up to 2 days after the date listed on the packaging. Make sure you use the beef soon after you buy it so it doesn't go to waste.^[8]

3. 3

   Keep raw beef in the freezer for up to 4 months. Keep the beef in freezer-safe plastic bags and label them with the sell-by date listed on the packaging. Squeeze all the air out of the bag before sealing it to conserve freezer space.^[9]

   • You may start to notice white freezer spots on the beef after a few months. These areas can be cut off if there are only a few. Otherwise, throw the meat away.

4. 4

   Thaw the beef in the fridge or in a sink filled with cold water. Transfer the frozen beef to the fridge 1 to 2 days before you plan to use it so it has time to completely thaw. If you want to thaw the meat in the sink, fill your sink with cold water and submerge the beef. Change the water every 30 minutes until it's completely thawed.^[10]

   • Beef thawed with water needs to be cooked right away.
   • Never leave the meat to thaw at room temperature.
   • Beef can be thawed in the microwave but it needs to be cooked right after it's finished thawing to avoid any contamination.

5. 5

   Cook ground beef to 160 °F (71 °C) before storing or eating it. The only way to kill the natural bacteria in your beef is to cook it entirely. Use a meat thermometer to check the internal temperature of the meat while you're cooking it.^[11]

6. 6

   Store cooked ground beef in the refrigerator or freezer. Cooked ground beef can be safely stored in the fridge for 7 days before it starts to spoil. It can also be stored for up to 8 months in the freezer. Be sure to store it in an air-tight container!

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Add New Question

• Question

  Froze 2lbs of ground beef on 3rd day of refrigeration. It turned dark brown when thawed in fridge. Is it bad?

  

  This answer was written by one of our trained team of researchers who validated it for accuracy and comprehensiveness.

  

  wikiHow Staff Editor

  Staff Answer

  Check the smell and texture of your ground beef. It does change color as it gets older, but if it doesn't smell or feel slimy, it should still be okay.

• Question

  Can I cook ground beef that sat in the fridge for an unknown amount of time?

  

  This answer was written by one of our trained team of researchers who validated it for accuracy and comprehensiveness.

  

  wikiHow Staff Editor

  Staff Answer

  Throw it away if you aren't sure when the sell-by date was. It may have gone bad.

• Question

  Is my ground beef safe to eat the next day if I defrosted it in the package in water all day and put it in the refrigerator for overnight?

  

  This answer was written by one of our trained team of researchers who validated it for accuracy and comprehensiveness.

  

  wikiHow Staff Editor

  Staff Answer

  Ground beef should be cooked immediately after you thaw it in water. Otherwise, bacteria could form.

• Question

  I packed my hamburgers in separate freezer bags and left them on the counter for 6 hours in 74 degree weather. Can I freeze them now?

  

  This answer was written by one of our trained team of researchers who validated it for accuracy and comprehensiveness.

  

  wikiHow Staff Editor

  Staff Answer

  You shouldn't refreeze them since they probably developed bacteria while they were thawing at room temperature. Always thaw your beef in the fridge or in a sink with cold water.

• Question

  What would cause meat to taste sour after it has been frozen?

  

  This answer was written by one of our trained team of researchers who validated it for accuracy and comprehensiveness.

  

  wikiHow Staff Editor

  Staff Answer

  The longer you keep food in the freezer, the more likely it is to develop freezer spots that could attribute to the flavor.

• Question

  Is it safe to cook and eat beef that has turned brown? It has been frozen and thawed.

  

  This answer was written by one of our trained team of researchers who validated it for accuracy and comprehensiveness.

  

  wikiHow Staff Editor

  Staff Answer

  Meat will turn brown over time. Check to see if it smells or has a slimy texture.

• Question

  Can I boil my ground beef if I am not sure it is bad?

  

  This answer was written by one of our trained team of researchers who validated it for accuracy and comprehensiveness.

  

  wikiHow Staff Editor

  Staff Answer

  When in doubt, throw the beef away. It is only good to use up to 2 days after the sell-by date if it's been in your fridge.

• Question

  I bought 5 lbs. of hamburger at Grocery Outlet and froze it immediately. Sour tasting, strange clear colored juice came out when frying. What happened?

  

  DividedGuitarist

  Community Answer

  Your beef may have been freezer burned or it was expired when you bought it and you had never noticed it. The clear colored juice may have been a watery mixture that leached out while cooking.

• Question

  If beef smells slightly off, will cooking it thoroughly save it?

  

  No, it will not. The issue with food poisoning is that whatever baddies are in the meat have left behind toxins - that's one reason it's called food poisoning and not food. If the beef has gone off, then you can't cook it to save it, it must be disposed of.

• Question

  If I feed my dog ground beef that was left out 2 days, will it hurt him?

  

  Yes, it is likely to hurt him, just as it would a human.

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• Keep cold foods below 40 °F (4 °C) and hot foods above 140 °F (60 °C). Anything in between these two ranges is in the "Danger Zone" and will start to develop bacteria.

• Wash your hands after handling raw beef so you don't contaminate other surfaces.

• Always cook beef to an internal temperature of 160 °F (71 °C).

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About This Article

Article Summary X

If you're not sure whether your ground beef is still good, lean close and smell it. If the meat smells sour or unpleasant, it's probably bad and you should discard it. If it seems okay, use your fingers to test the texture. Meat that has turned bad will feel sticky, tacky, or slimy and should be thrown out. You can also use the color of the meat as a guideline. Ground beef that is brown or gray is still safe to eat, but if it is turning green, you should throw it away. Read on for tips on storing ground beef to keep it from spoiling!

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