Why should you not put ketchup in the refrigerator?

Because ketchup is a processed food, it should be kept in a cool place so that the ingredients stay fresh for longer. The naturally acidic ingredient is technically shelf-stable—but only up to a point, and only for so long.
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Why do people not refrigerate ketchup?

"Because of its natural acidity, Heinz Ketchup is shelf-stable," the brand said. This explains why the product is not found in the refrigerated section of your grocery store. However, the brand maintained that consumers should "refrigerate after opening to maintain product quality."
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Should mayo be refrigerated?

Mayonnaise and Salad Dressings

Unopened jars of mayo as well as salad dressings can be stored on pantry shelves. However, it's important that once opened you keep them refrigerated, and the USDA recommends using them within 2 months after opening. Homemade Mayonnaise is another story.
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Should mustard be refrigerated?

Mustard . . .

Dijon and horseradish-based mustards should be refrigerated, but others are OK to leave out if you prefer them at room temperature. Refrigerating yellow mustard will help maintain its flavor, but it doesn't contain any ingredients that spoil.
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Should peanut butter be refrigerated?

According to The National Peanut Board, an unopened jar of peanut butter can last six to nine months at room temperature. Once opened, they say that it can last two to three months in the pantry before you should move it to the fridge, where it can maintain quality for another three to four months.
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Should ketchup go in the fridge?

Should you refrigerate jelly?

A: Opened home-canned jams and jellies should be kept in the refrigerator at 40°F or lower. “Regular” – or pectin-added, full-sugar – cooked jams and jellies are best stored for 1 month in the refrigerator after opening. They may last longer depending on the specific product and how it is used.
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Does jelly have to be refrigerated?

Sealed jars of homemade preserves can also be stored at room temperature. Once the jam or jelly is opened, however, it is best to refrigerate them. Richard explains that this prevents mold and yeast from growing. If not refrigerated, opened jams and jellies are likely to spoil quicker.
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Do you have to refrigerate pickles?

Warm temperatures cause pickles to soften and lose their crunchy texture. Keeping them cool keeps them crisp. Fridge-cold temperatures prevent mold and yeast from forming in the pickle jar, but other factors can affect the contents, too.
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Does butter need to be refrigerated?

Should You Leave Butter on the Counter? According to the USDA, butter is safe at room temperature. But if it's left out for several days at room temperature, it can turn rancid causing off flavors. The USDA does not recommend leaving it out more than one to two days.
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What salad dressing do not need refrigeration?

According to The Kitchn, salad dressings that don't contain ingredients like cream, vegetables, fruit juice, nut oils, yogurt, or mayonnaise can be kept at room temperature.
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Does Miracle Whip need to be refrigerated?

Products referred to as "salad dressings" like Miracle Whip, or other specialty versions like the Japanese Kewpie brand, all say to store in the fridge after opening. Always follow package directions when it comes to food storage.
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Does Worcestershire sauce need to be refrigerated?

Worcestershire sauce is another condiment that certainly benefits from fridge-time but isn't necessary. Experts seem to debate about pickles — the high sodium content keep these preserved longer without refrigeration but they stay crunchier refrigerated. Go with your personal preference.
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What happens if you don't refrigerate ketchup after opening?

Does Ketchup Go Bad? Yes, ketchup can go bad. If unopened, commercial ketchup “can last for up to a year in your pantry,” says Okegbe, but once opened and refrigerated, it should ideally be consumed within six months. If left in the pantry once opened, use up the ketchup within a month to be safe.
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Why do restaurants leave ketchup out?

Fortunately, you don't have to be worried. Sargent notes that “most restaurants don't refrigerate their ketchup because of how quickly it is consumed.” Scott Cohen, owner of New York sports bar Blue Haven East, confirms this. “[During] busy season, it's probably a gallon a week.”
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Does sriracha need to be refrigerated?

"No, they do not have to be refrigerated," explain the folks at Huy Fong Foods Inc., the company that manufactures sriracha in Irwindale, CA. The best way to store bottles of Sriracha, according to the manufacturer? "Just make sure they are stored in a cool, dry place." You don't need to keep it in the fridge.
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Why do pickle jars not say pickle?

According to most major companies like Vlasic, Claussen and Mt. Olive, it comes down to effective usage of space on the label. Carolyn Goldberger, the brand manager from Vlasic, says, “We use the limited label space to clearly communicate the form and flavor inside each jar.
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What is the white stuff floating in my pickle jar?

A cloudy appearance or a white sediment may indicate the use of table salt rather than canning or pickling salt. Yeast develops and settles to the bottom of the jar. It may be a normal reaction during fermentation caused by bacteria. If the pickles are soft, they are spoiled from the yeast fermentation.
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Do pickles help with cramps?

“In previous studies, just one tablespoon of pickle juice has been shown to stop experimentally-induced cramps pretty effectively,” said Tapper. “It's the acid in the brine that triggers nerves in the back of the throat, which then turns the cramp off.
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Does cheese need to be refrigerated?

Soft cheeses such as cream cheese, cottage cheese, shredded cheeses, and goat cheese must be refrigerated for safety. As a general rule, hard cheeses such as cheddar, processed cheeses (American), and both block and grated Parmesan do not require refrigeration for safety, but they will last longer if kept refrigerated.
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Why margarine is better than butter?

Margarine often tops butter when it comes to heart health. Margarine is a blend of oils that are mostly unsaturated fat. Butter is made from cream or milk. The type of fat found in animal products, such as cream, is mostly saturated fat.
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What does it mean to cream butter and sugar together?

What is Creaming Butter and Sugar? Technically, creaming means mixing butter and sugar together on a moderately high speed until well blended, fluffy and pale yellow. It's often the first step in a cookie or cake recipe and forms the base to which other ingredients are added.
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Does pancake syrup need to be refrigerated?

Pancake syrups, on the other hand, are often made with preservatives, meaning they can be stored at room temperature even after they're opened. (Maybe my family wasn't wrong after all!) But if the bottle doesn't specifically say that you can store at room temperature, then it's best to just refrigerate it.
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Should you refrigerate syrup?

Once opened, does maple syrup need to be refrigerated if it's the pure variety? Yes, because it's a natural product with no preservatives and can spoil or grow mold. If your syrup is not hot-packed, store it in the fridge (even if it's unopened) and plan to consume it quickly.
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Does Welch's grape jelly need to be refrigerated after opening?

The ideal storage time for unopened jams, jellies and preserves is 12 months in the pantry. After opening, refrigerate for 6 months.
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