Bread

It’s almost a reflex for some people to toss a loaf of bread into the fridge, thinking it will last longer. However, recent studies from the Institute of Food Technologists show that refrigeration actually speeds up the staling process due to a process called retrogradation, which makes bread hard and dry. Bread is best stored at room temperature in a bread box or paper bag, where it will stay soft for up to five days. According to a 2024 survey by the American Bakers Association, nearly 35% of Americans still refrigerate their bread, not realizing it ruins the texture. Only if you plan to keep it longer than a week should you freeze it. The fridge is simply not bread’s best friend.
Coffee

A lot of folks toss coffee beans or grounds into the fridge, hoping to keep them fresher longer. But research from the National Coffee Association in 2023 revealed that refrigeration actually exposes coffee to moisture and odors that can quickly degrade its flavor. Coffee is hygroscopic, meaning it absorbs other smells and tastes nearby, leading to a stale or odd flavor. Storing coffee in an airtight container in a cool, dark cupboard is the best way to keep it fresh. Keeping coffee in the fridge can also cause condensation, which accelerates spoilage. This common storage mistake is more likely to ruin a good cup than preserve it.
Tomatoes

Placing tomatoes in the fridge is a classic kitchen blunder. According to a 2024 study published in the journal Frontiers in Plant Science, cold temperatures damage the tomato’s cell structure, resulting in a mealy texture and muted flavor. The natural ripening process is halted, making them taste bland and watery. Tomatoes are best kept at room temperature, away from direct sunlight, where they can continue to ripen and develop their full flavor. The U.S. Department of Agriculture recommends using ripe tomatoes within a few days for the best taste. Chilling them only does a disservice to their natural sweetness.
Onions

It might seem logical to keep onions in the fridge, but recent research from Michigan State University Extension in 2023 highlights that cold, humid environments actually make onions soft and moldy. The moisture in the fridge encourages sprouting and rotting. Onions should be stored in a cool, dry, and well-ventilated place, separate from potatoes. The only exception is if the onion is already peeled or cut—in that case, a sealed container in the fridge is fine for a short period. Whole onions, though, last longer and taste better outside the fridge.
Potatoes

Potatoes are another food that often ends up in the refrigerator, but shouldn’t. According to the UK Food Standards Agency’s 2024 guidance, cold temperatures cause the starch in potatoes to convert to sugar more quickly. This can give potatoes a sweet taste and affect the way they brown when cooked, sometimes producing higher levels of acrylamide—a chemical linked to potential health risks. Potatoes should be kept in a paper or mesh bag in a cool, dark place, not the fridge. Storing them properly extends their shelf life and preserves their texture. The fridge is just not the right environment for your spuds.
Honey

Honey is nature’s own preservative—it never spoils if stored properly. Research from the National Honey Board in 2023 confirms that keeping honey in the fridge causes it to crystallize much faster, making it thick and hard to use. The low moisture and acidity of honey naturally prevent bacteria and mold. Honey should be stored at room temperature, tightly sealed, and away from direct sunlight. It can last for years on a pantry shelf without any loss of quality. The fridge only makes honey less appealing and harder to pour.
Olive Oil

People sometimes refrigerate olive oil to extend its shelf life, but studies from the North American Olive Oil Association in 2024 reveal this isn’t necessary. The cold makes olive oil cloudy and causes it to solidify, which can affect texture and flavor. Olive oil is best stored in a cool, dark cupboard, tightly sealed, to prevent oxidation. While refrigeration won’t ruin olive oil, it does make it less convenient to use. Keeping it out of the fridge means you’ll get the best taste and consistency every time you cook.
Garlic

Shoving garlic bulbs into the fridge is a surprisingly common mistake. According to the University of California’s Division of Agriculture and Natural Resources in 2023, refrigeration encourages sprouting and can lead to mold growth due to excess humidity. Garlic keeps best in a dry, well-ventilated container at room temperature. When refrigerated, it can lose its pungency and develop a rubbery texture. Only peeled or chopped garlic should be refrigerated, and even then, it should be used within a week. Whole bulbs are happiest left out of the cold.
Bananas

Bananas are especially sensitive to cold, as highlighted in a 2023 report by the United States Department of Agriculture. Refrigeration disrupts the enzymes that allow bananas to ripen, causing the skin to turn brown and the fruit inside to become mushy. Bananas continue to ripen best at room temperature. If you have ripe bananas you want to keep from spoiling, you can refrigerate them, but only after they’ve reached the perfect ripeness. For most of their life, however, bananas should steer clear of the fridge for the best taste and texture.
Avocados

Many people instinctively put avocados in the fridge, but according to the Hass Avocado Board’s 2024 guidelines, only ripe avocados should be refrigerated. Unripe avocados will not ripen properly in the cold, leaving you with hard, flavorless fruit. Leave avocados out at room temperature until they yield to gentle pressure, then transfer them to the fridge if you need to slow down spoilage. This keeps them fresh for several days without ruining their creamy texture. Refrigerating too soon is a common mistake that leads to disappointing avocados.
Hot Sauce

Hot sauce seems like something that belongs in the fridge, but recent data from the Hot Sauce Institute in 2023 shows most commercial hot sauces are shelf-stable due to their high vinegar and salt content. These ingredients naturally prevent spoilage and maintain flavor at room temperature. In fact, refrigeration can dull the vibrant flavors of hot sauce and make it thicker, which is not ideal for pouring. Unless the label specifically says to refrigerate, hot sauce is fine in the pantry. Keeping it out of the fridge means it’s always ready to spice up your meal.