Goodbye, Microwave–3 Superior Ways to Reheat Leftovers

Goodbye, Microwave–3 Superior Ways to Reheat Leftovers

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The Cross family’s kitchen remodel left no room for their microwave, so they moved it into the pantry.

With the microwave out of sight, it was also out of mind, and their leftovers began tasting better.

This is good news for people who are concerned not only about microwaves emitting radiation, but also about emerging research showing that microwaving food in plastic packaging or containers can release millions of microplastic particles into food.

“When we moved into our new 1940s home, we loved the idea of not bringing a microwave back in,” Amy Cross—whose online business, The Cross Legacy, is aimed at reducing food waste and helping families save money on groceries—told The Epoch Times.

“I don’t like clutter on my countertops and definitely don’t want one with harmful chemicals being released.”

Whether you don’t have a microwave or would prefer not to use the common kitchen appliance, there are plenty of other options for reheating leftovers.

3 Superior Rewarming Techniques

Research shows that certain rewarming techniques are better at preserving food texture and flavor and sometimes even improve the nutritional profile.

1. Steaming

Anna Rider, who writes about food preparation for busy parents on her blog Garlic Delight, noted that steaming, especially, enhances flavors and aromas.

“If you think about something that’s designed to eat steamy, like a stir fry—[with] a lot of the aromatics like garlic and ginger, maybe onions—you’re going to smell that more through the steam rising from the food,” she told The Epoch Times.

A study published in Foods found that reheating braised chicken by steaming preserved its texture and aroma better than the microwave and water boiling methods with which it was compared. Steamed chicken also resulted in minimal color differences and minimal damage to the chicken’s muscle fibers.
The authors wrote that the steamed chicken had a flavor profile similar to that of the other reheating groups but showed higher taste intensity. These findings can help consumers determine the best reheating method not only for leftovers, but also for meal-prepped meats.

2. Air-Frying

Air-frying cooked crispy chicken retained color and springiness better than microwave, roasting, steaming, and water bath reheating methods, according to a separate study published in Foods.

Of note, water bath reheating differs from steaming in that it’s faster and less gentle. Food is placed in a heat-safe metal or glass dish such as a canning jar and set in a pan of very hot water.

The authors of the study noted that high-temperature air in the air-frying method retained the chicken’s inner moisture while creating a gel network structure in the outer layer. When it cooled, the gel formed a crispy exterior shell.

Umami-related amino acids increased in every reheating method except steaming. Described as a savory flavor, umami is often the taste associated with meat, as well as cheeses and fermented foods.

3. Open-Flame Cooking

Open-flame cooking, which can be done using any type of gas stove, wood, or charcoal, came out on top when compared with microwaving, steaming, and boiling leftover braised beef with potatoes and soup, according to a study published in the International Journal of Gastronomy and Food Science.
Free amino acids that help our body produce energy and make neurotransmitters, hormones, and antioxidants increase in beef, potatoes, and soup after reheating on an open flame. Nucleotides—essential nutrients with specific benefits to the gut, liver, and immune system—significantly increased in the beef and potatoes when reheated, although they decreased in the soup.

Flavor and quality also improved when the dish was rewarmed on an open flame, although steaming was rated best for the beef’s acceptability and coloring.

Unless you have a gas stove in your house, cooking over a flame may not be something you’re used to, but it can be handy when there’s no electricity.

Rider bought a camping stove not because it’s her preferred way to warm up food, but because rolling blackouts when she lived in California taught her that it’s an important tool. Camping stoves are portable and great for reheating leftovers, whether you’re at home or traveling. They are generally designed for outdoor use and should be used indoors with caution only in emergencies.

Practical Reheating Tips

Different methods sometimes work better for different foods.
For Steaming: Use a stock pot with a well-fitting lid, a trivet at the bottom, and about an inch of water. Set the glass dish on top of the trivet and let the water boil for about five minutes, stirring the food as needed.

Steaming can also be done in a steamer basket. You can make one using a metal colander that fits in your pan and holds the food above the water, with the lid securing it in place.

For Skillet Reheating: Use a tablespoon or two of oil or even water. Rider said this can give foods a different texture the second time around, such as a crispier pizza crust or a crispy take on yesterday’s macaroni and cheese.
For Oven Reheating: Although convenient, the oven can dry out leftovers or even burn them if you aren’t paying attention. Cross said a pizza stone in the oven helps regulate heat for rewarming.
For Stovetop: Sauces, soups, and curries can be reheated in a saucepan on the stove.

Waffle irons and panini presses can be great for heating up sandwiches, pancakes, and burritos. Rider once found herself making grilled cheese with an iron and parchment paper in a hotel room that didn’t have a microwave. She had been living there for a month for work and had grown tired of eating out.

“There’s no reason to follow strict requirements about how you have to reheat food,” she said. “Anything that can transfer heat to food—you can find a way to make it work. Get creative and have fun with it. As long as you use common sense, you’re not going to burn your food.”

Sometimes, Rider said, food doesn’t need to be hot or even warm to be enjoyed. Taking it out of the refrigerator and bringing it to room temperature might be sufficient for your taste buds.

Make Leftovers Last

Before you store leftovers, Cross said, think about how you will use the food. That can help you package leftovers the way you’d prefer to rewarm them later and increase the odds of eating extra food and keeping it from being wasted.

“If there is enough for a complete lunch or dinner, I will often freeze it in a glass container with a snap-on lid so it can be easily reheated,” she said.

Cross uses silicone trays specifically designed for leftovers to freeze individual portions. They pop out of the tray easily to use with any reheating method.

She stores stews and soups in wide-mouth pint jars, leaving an inch or so of headspace so the jar won’t crack if the food expands as it freezes or thaws. The key is to put containers in the refrigerator to thaw overnight or place them in cold water.

The holidays can be a time of excess leftovers, which Cross said can be an opportunity to create meals with ease in the coming days and weeks.

You can cut up ham or turkey and freeze in 1-cup servings to add to egg dishes, salads, pizza, and fried rice, she said. Whole pieces of meat can even become a meal or a sandwich.

When she prepares mashed potatoes during the holidays, her adult children are often helping in the kitchen, so she makes extras since mashed potatoes freeze and reheat well.

“Being able to portion food into usable quantities is really important, as is making it a habit to use the food you have already prepared instead of ordering takeout,” Cross said, noting that refrigerated leftovers are often forgotten and then thrown out.

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