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17 Common Kitchen Mistakes People Make All The Time

If you're guilty of #8, please get help.

Headshot of Gabby RomeroBy Gabby Romero
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Octavian Lazar//Getty Images

Everybody approaches cooking differently. Some people make meals from scratch every night, while others lean on convenient hacks and pre-packaged ingredients. When you consider the unique flavor palates, cuisines, and cooking techniques used all over the world, the differences become even more varied. We here at Delish believe that you can truly learn something from every style of cooking, whether it's fine dining or opening up a can of condensed soup.

Buuuuuuut there are a few things that are just flat-out wrong. We've witnessed some of these mistakes first hand in other people's kitchens, and we'll admit that we've been guilty of some of them ourselves. Many of these mistakes can be chalked up to negligence, hard-to-break habits, or old wives' tales. But we can say confidently that there are a few kitchen mishaps that should never be repeated.

We've rounded up 17 of the most egregious errors you can make while cooking. So next time you head to the grocery store or turn on your oven, you can make smarter (and safer) choices. Are there any other mistakes we didn't include on this list? Let us know in the comments!

1

Not Prepping Ingredients Before Cooking

ingredients and kitchen utensils on the kitchen counter
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It may seem more efficient to chop vegetables and measure ingredients as you cook, but in reality, it's the exact opposite. You end up with messier kitchen and much higher stress levels. Take the time to chop your veggies before you turn on the stove, please.

2

Storing Tomatoes In The Fridge

single red tomato sitting on shelf inside refrigerator
PhotoAlto/Neville Mountford-Hoare//Getty Images

Ever complained that tomatoes are mealy? Well, if you store in them in the fridge, it's partially your fault. Cold temperatures greatly alter the texture of your tomatoes. In the wise words of our director of video Julia Smith: "Stop that."

3

Stirring Too Frequently

stir fry cauliflower cooking
DuKai photographer//Getty Images

If you want to get a golden brown exterior on meat and veggies, the best way to accomplish that is just to let them cook on their own. Constantly stirring your food in the pan minimizes the amount of contact each piece has with the pan and leaves your food looking sad. We're begging you: just leave your food alone.

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4

Crowding Your Pan

preparing homemade philly cheesesteak
Jeff R Clow//Getty Images

All food contains water that gets drawn out during cooking. Leaving enough space between each piece allows the water to quickly evaporate. But when you put too much in the pan at once, the water stays put and your food ends up boiling in the liquid. Not delicious.

5

Cooking Steak Straight From The Fridge

raw rib eye steaks on butcher paper
Manny Rodriguez//Getty Images

You gotta give your meat a chance to come to room temperature before it hits the grill. The extreme temperature shift from cold to searing hot can tense up the proteins in the meat and cause your steaks to end up tough and unevenly cooked.

6

Storing Raw Meat On The Top Shelf Of Your Fridge

n a white refrigerator, food stock, on the top shelf eggs, fish, mushrooms, cottage cheese, meat, cheese, and vegetables on the bottom
Kurgu128//Getty Images

Nothing is less delicious than raw meat juices leaking onto your fresh vegetables. Store it on the bottom shelf and place it on a plate or a tray.

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7

Washing Berries As Soon As You Get Home From The Store

high angle view of rinsing strawberries in kitchen sink
Ana Rocio Garcia Franco//Getty Images

Yes, berries need to be washed. But you should only wash them right before you're about to eat. Even though you're getting rid of the visible dirt, you're also introducing lots of moisture that'll make your fruit spoil faster.

8

Adding Oil To Your Pasta Water

abstract art oil in water
Baac3nes//Getty Images

Salt is necessary for any pot of pasta water. Oil, on the other hand, is completely useless. It doesn't prevent your noodles from sticking together. All of it ultimately goes down the drain, and you end up wasting ingredients.

9

Using Dull Knives

wooden cutting board with large knife across isolated on white
Bill-Livingstone//Getty Images

News flash: dull knives are actually more dangerous than sharp ones. Attempting to saw through a tomato with an unsharpened knife increases the risk of injury. And stores like Sur La Table and Williams Sonoma will sharpen any knife for about $5. You have no excuse.

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10

Not Cleaning The Crumbs In Your Drawers & Cabinets

honey extraction residual wax inside a box
Elisa Festa//Getty Images

Just because you can't see them when the doors are closed doesn't mean they're not there. Crumbs get left behind in every kitchen, but not cleaning them is a major kitchen mistake. It's like formally inviting mice and bugs into your home. No thanks!

11

Not Labeling And Dating Your Leftovers

food inside a refrigerator
tylim//Getty Images

Don't risk eating expired food. Don't let your leftovers turn into moldy mystery meals. Keep a roll of masking tape in your kitchen and just add a date. If it's been sitting in the fridge for longer than four days, toss it.

12

Buying Ground Black Pepper

black pepper on wooden spoon
skhoward//Getty Images

Spices have aromatic oils that start to dissipate as soon as they're ground, and black pepper is no exception. The pre-ground stuff in the spice aisle is already lacking in flavor on the shelf. After sitting in your pantry for months, or even years, it's like eating ashes.

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13

Grinding Your Own Salt

salt mill
MARK SYKES/SPL//Getty Images

We're dying on this hill. Salt is a mineral, which means it doesn't lose its flavor when it's ground. Your salt mill may look fancy, but it doesn't do anything other than make your life harder. Just buy a box of Kosher salt and call it a day.

14

Using Iodized Salt

salt
choness//Getty Images

If you've ever followed a recipe only for it to end up tasting like a salt bomb, check the fine print. Most recipes call for kosher salt—which is significantly less salty than equal amounts of iodized table salt. They are absolutely not interchangeable and can completely wreck your dinner plans if you're not careful.

15

Not Using An Oven Thermometer

old oven thermometer
Nirad//Getty Images

Sorry to break it to you, but your oven's built-in thermometer doesn't work (even if you just bought a fancy one recently). They're always inaccurate, from just a few degrees to a major discrepancy. To counteract those errors, invest in a separate thermometer to keep inside your oven.

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16

Buying Pre-Shredded Cheese

shredded quesadilla cheese
Juanmonino//Getty Images

When you're making a batch of homemade pizza or planning a taco night, it's easy to reach for the bags of shredded cheese at your local grocery store. But each piece is coated in cellulose to prevent the shreds from clumping together. It seems like NBD, but it tastes like sawdust and messes with the texture once it's melted. Sure, it's convenient, but at what cost?

17

Not Washing Your Oven Mitts

oven glove
lleerogers//Getty Images

Oven mitts don't get as much use as dish towels, but that doesn't make them any less gross. Spills and stains are inevitable and need to get washed out occasionally. Not only does it look nasty, but it also risks passing on germs to your food.

Headshot of Gabby Romero
Gabby Romero
Editorial Assistant

Gabby Romero is Delish’s editorial assistant, where she writes stories about the latest TikTok trends, develops recipes, and answers any and all of your cooking-related questions. She loves eating spicy food, collecting cookbooks, and adding a mountain of Parmesan to any dish she can.

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