​11 things you shouldn’t put in your slow cooker (2024)

There's nothing quite like a home cooked meal, but between work, childcare and household chores, it can be hard to find the time to put a delicious dish on the table every night. A slow cooker is a busy person's best friend, allowing you to come home to a lovely stew or curry without having to do too much prep or spending too long in the kitchen.

But while a slow cooker is a versatile kitchen gadget, it can't be used for everything! To avoid a culinary crisis, we've put together our list of 11 foods you shouldn't put in a slow cooker.

Foods you shouldn't put in a slow cooker

1. Lean meats

While slow cooking turns tougher, sinewy joints of meat (think beef shin, oxtail, pork shoulder) into tender morsels, lean cuts (chicken breast, pork fillet, fillet steak) cook down to tough leather. It’s better to leave these pieces of meat for frying or grilling.

2. Raw meat

A crockpot’s gentle heat means meat will never get a chance to brown, but it’s the golden colour from frying that gives it depth of flavour. If you don’t want your stew to taste bland, brown the meat first, then put it in the slow cooker.

3. Too much liquid

Slow cookers are excellent at retaining their moisture, so pouring in too much stock or water will mean your casserole tastes insipid.

If you’re using a stew recipe that wasn’t written for the slow cooker (and please do – it’s a great idea!), reduce the liquid quantity by roughly half. You can always top it up during the cooking time if it looks dry.

​11 things you shouldn’t put in your slow cooker (1)

4. Delicate vegetables

Long cooking is great for softening hard root veg, but it's a brutal treatment for delicate vegetables like courgettes, asparagus and peas, and will render them mushy. Wait until the end of the cooking time to add them in.

5. Too much spice

Resist temptation to get silly with the chillies — fiery ingredients become increasingly hotter the longer they’re cooked, so only sprinkle them in at the beginning if you can take the heat! For everyone else, it’s best to stir them in at the last minute.

6. Dairy

Prolonged cooking of dairy products causes them to separate. Adding milk, cream or yogurt to crockpots at the beginning of cooking is a sure-fire way to wind-up with a grainy, watery mess at the end. Stir it in once the recipe has finished cooking.

7. Too much booze

As mentioned before, slow cookers don’t evaporate much liquid, so putting large glugs of wine or beer straight into to your crockpot is not a great idea.

Alcohol needs to evaporate a little to taste appealing and not acrid, so try reducing it in a separate pan on the hob first.

​11 things you shouldn’t put in your slow cooker (2)

8. Meat that has the skin on

Skin-on cuts of meat need the dry heat of roasting or grilling to crisp up. Cook them in a crockpot and you’ll end up picking unappetising, flubbery bits of skin out of your casserole.

9. Soft fresh herbs

Unless you’re using woody herbs like rosemary or thyme (and if you use these, use them sparingly as they’re potent), cooking soft herbs like basil or coriander for too long will obliterate their delightful fragrant properties. Stir them in just before serving.

10. Seafood

Just like lean cuts of meat, fish and shellfish need to be cooked for a very short time or risk being destroyed. The only exceptions are squid and octopus, which can benefit from a slow braise to tenderise them to perfection.

11. Pasta and rice

It might seem like a time-saver to bung these staple ingredients in with your slow cooker stew, but doing so will turn your hard work into a gloopy, congealed mess — they’re too starchy and cook too quickly.

It’s wiser to cook pasta and rice separately once your dish is close to being done, and serve them alongside.

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​11 things you shouldn’t put in your slow cooker (2024)

FAQs

​11 things you shouldn’t put in your slow cooker? ›

Raw meat

A crockpot's gentle heat means meat will never get a chance to brown, but it's the golden colour from frying that gives it depth of flavour. If you don't want your stew to taste bland, brown the meat first, then put it in the slow cooker.

What foods should not go in a slow cooker? ›

10 Foods You Should Never Make in a Slow Cooker
  1. Raw Meat.
  2. Seafood.
  3. Pasta.
  4. Rice.
  5. Delicate Vegetables.
  6. Boneless Skinless Chicken Breasts.
  7. Dairy.
  8. Wine and Other Liquor.
Jan 19, 2024

Why can't you put raw meat in a slow cooker? ›

Raw meat

A crockpot's gentle heat means meat will never get a chance to brown, but it's the golden colour from frying that gives it depth of flavour. If you don't want your stew to taste bland, brown the meat first, then put it in the slow cooker.

Is there anything you can't cook in a slow cooker? ›

Fish, shellfish, oysters and clams need to be cooked quickly. Obviously, slow cooking isn't quick, and it will obliterate these delicate proteins. The only seafood exceptions are squid and octopus because they tend to be tough meats and slow cooking makes them tender.

Can you put raw hamburger in a slow cooker? ›

Can You Put Raw Beef in a Slow Cooker? Yes, you can totally cook raw beef in a slow cooker. Many slow-cooker chili recipes have a step for browning the beef before it goes into the Crock-Pot. While this step isn't necessary, caramelizing the meat creates richer, bolder flavors.

Is it okay to put raw chicken in a slow cooker? ›

Yes, you can put raw chicken in a slow cooker! Slow cookers and Crock-Pots are designed to cook raw meats. The direct heat from the pot, lengthy cooking time and steam created from the tightly covered container destroys bacteria, making slow cooking safe. You can put frozen chicken in a slow cooker, too!

What beans should not be cooked in a slow cooker? ›

Turns out cooking dried red kidney beans and cannellini beans in your slow cooker can make you sick. Find out how to eliminate the toxin that can make you ill and how to safely prepare and cook these commonly used legumes.

Why did my noodles turn to mush in the crockpot? ›

Why did my noodles turn to mush in the crockpot? One of the most common reasons for mushy noodles is overcooking. Pasta, including noodles, has a relatively short cooking time compared to other ingredients typically prepared in a crockpot.

Does meat get more tender the longer it cooks in a slow cooker? ›

Collagen makes meat tough when cooked quickly, but when slow-cooked, it breaks down into gelatin, giving you that juicy, tender mouthfeel. Fattier — and cheaper — cuts of beef can also be good for slow cooking, because the fat helps to ensure the beef won't dry out while adding extra flavour.

Can you just throw everything into a slow cooker? ›

One of the main attractions for many people is the ease of a slow cooker, so when you're looking for recipes, avoid those that suggest a lot of pre-preparation. For many dishes, particularly soups and stews, you really can just throw all the ingredients in.

What's the longest you can leave a slow cooker on? ›

It's generally safe to leave a slow cooker on for 12 hours—that's what they're made for. That said, follow all safety rules. I had old cookers I'd keep an eye on more.

What is the best meat to cook in a slow cooker? ›

Choose the right cut: Chuck roasts, short ribs, pork shoulders and lamb shanks (think fatty and tougher meats) become meltingly tender with the moist, low heat of a slow cooker. Leaner cuts like pork tenderloin tend to dry out. Likewise, dark meat chicken — thighs, drumsticks, etc.

What is the food danger zone in a slow cooker? ›

A safe slow cooker, cooks slow enough for unattended cooking, yet fast enough to keep food out of the bacterial danger zone. In the danger zone (above 40°F to below 140°F), bacteria grows very rapidly. Food left in the danger zone too long can cause food borne illness.

What are the disadvantages of a slow cooker? ›

What are the disadvantages of a slow cooker? Slow cookers only apply heat to the bottom of the crock, which cuts down on their ability to reduce liquids and brown foods, and develop flavor the same way a Dutch oven or pressure cooker can.

What foods should be slow cooked? ›

The Best Foods to Cook in Your Slow Cooker
  • Long-Cooking Cuts of Meat. Tough cuts of meat that turn out meltingly tender when cooked low and slow are made for this appliance. ...
  • Whole Chicken & Chicken Thighs. ...
  • Soups, Stews & Chilis. ...
  • Dips.
Jan 6, 2020

Can meat go bad in a slow cooker? ›

According to the U.S. Department of Agriculture (USDA), slow cookers' max temperatures generally reach between 170 and 280 degrees F (77 and 138 degrees C). That's high enough to kill most bad bacteria, but the USDA still recommends thawing all foods completely before placing them in a slow cooker.

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