Microwaves are indispensable kitchen appliances, streamlining meal preparation and reheating leftovers. But to ensure optimal cooking and prevent unwanted splatters, using a cover is crucial. What exactly can you use as a microwave cover? This comprehensive guide explores safe and effective options for keeping your microwave clean and your food perfectly heated.
Understanding the Importance of a Microwave Cover
A microwave cover is more than just an accessory; it’s a functional tool that enhances your microwave experience. It performs several critical functions.
First, it prevents food splatters. When food heats up, especially items with high moisture content, it can explode and create a mess inside your microwave. A cover traps these splatters, keeping the interior clean and reducing the need for frequent cleaning.
Secondly, it helps retain moisture. Covering your food while microwaving helps to trap steam, preventing it from drying out. This is especially important for dishes that need to remain moist, like vegetables or reheated pasta.
Thirdly, it promotes even heating. By trapping steam and distributing heat more evenly, a cover can help ensure that your food is heated uniformly, preventing cold spots.
Finally, it reduces cooking time. Retaining heat within the covered space can sometimes speed up the cooking process, saving you time and energy.
Microwave-Safe Covers: The Best Options
Choosing the right cover is paramount. Not all materials are suitable for microwave use. Some can melt, release harmful chemicals, or even cause sparks. Here are some of the safest and most effective options.
Microwave-Safe Plastic Covers
Plastic covers specifically designed for microwave use are readily available and come in various shapes and sizes. These covers are usually made from polypropylene, a type of plastic that is heat-resistant and BPA-free. Look for the “microwave-safe” symbol on the cover before using it.
The advantages of using microwave-safe plastic covers are:
- Durability: They are generally durable and can withstand repeated use.
- Easy to clean: They are typically dishwasher-safe, making cleaning a breeze.
- Affordability: They are usually relatively inexpensive compared to other options.
- Availability: They are widely available in most grocery stores and kitchenware shops.
However, ensure the plastic is genuinely microwave-safe. Never use plastic containers or wraps that are not specifically labeled for microwave use. Avoid using old or scratched plastic covers, as they may be more likely to leach chemicals when heated.
Silicone Microwave Covers
Silicone covers have gained popularity in recent years due to their heat resistance and flexibility. They are made from food-grade silicone, which is safe for use in the microwave and does not leach chemicals.
The benefits of silicone covers include:
- High heat resistance: Silicone can withstand high temperatures without melting or warping.
- Flexibility: Silicone covers are flexible and can easily conform to different shapes and sizes of dishes.
- Easy to clean: They are usually dishwasher-safe and easy to wipe clean.
- Reusable: They can be used repeatedly without losing their shape or effectiveness.
When choosing a silicone cover, make sure it is made from food-grade silicone and is specifically labeled for microwave use.
Glass Turntable Covers
These are not just covers, but also act as turntables. They are generally made of tempered glass, and come with a dome to cover the food and prevent splatters.
- Sturdy and durable: Tempered glass is less prone to breaking.
- Easy to clean: Just like your glass containers, these are easy to wash in the dishwasher.
- Even cooking: The turntable feature helps heat the food evenly.
Make sure the glass is tempered and microwave-safe.
Microwave Splatter Guards
Splatter guards are designed specifically to prevent splatters while allowing steam to escape. They usually consist of a mesh or perforated material that covers the food while allowing air to circulate. They come in various materials, including plastic and silicone.
The advantages of using a splatter guard include:
- Effective splatter protection: They effectively prevent splatters from coating the inside of your microwave.
- Steam release: They allow steam to escape, preventing food from becoming soggy.
- Easy to clean: They are usually dishwasher-safe or easy to wipe clean.
- Compact storage: Many splatter guards are foldable or collapsible for easy storage.
When choosing a splatter guard, make sure it is made from microwave-safe material and that the mesh or perforations are small enough to effectively prevent splatters.
Ceramic Bowls or Plates
If you are looking for a simple and readily available option, a microwave-safe ceramic bowl or plate can be used as a cover. Simply place the bowl or plate over the dish you are microwaving, ensuring that it completely covers the food.
The advantages of using a ceramic bowl or plate include:
- Readily available: Most households already have ceramic bowls or plates.
- Easy to clean: They are usually dishwasher-safe and easy to wipe clean.
- Effective splatter protection: They provide effective splatter protection.
However, make sure the ceramic bowl or plate is microwave-safe. Avoid using ceramic items with metallic trim or decorations, as these can cause sparks in the microwave.
Alternatives to Commercial Microwave Covers
If you don’t have a commercial microwave cover on hand, several household items can be used as temporary substitutes. However, exercise caution and ensure that the materials you use are microwave-safe.
Microwave-Safe Plastic Wrap
Plastic wrap specifically labeled as “microwave-safe” can be used to cover dishes in the microwave. To prevent the plastic wrap from melting or sticking to the food, leave a small vent to allow steam to escape.
The advantages of using microwave-safe plastic wrap include:
- Readily available: Most households already have plastic wrap.
- Effective splatter protection: It provides effective splatter protection.
- Moisture retention: It helps to retain moisture in the food.
However, make sure the plastic wrap is specifically labeled as “microwave-safe.” Avoid using plastic wrap that is not designed for microwave use, as it may melt or leach chemicals. Always leave a vent to allow steam to escape.
Parchment Paper
Parchment paper is a heat-resistant paper that can be used to cover dishes in the microwave. It is a safe and eco-friendly alternative to plastic wrap.
The benefits of using parchment paper include:
- Heat resistance: Parchment paper can withstand high temperatures without burning or melting.
- Safe and non-toxic: It is safe for use in the microwave and does not leach chemicals.
- Eco-friendly: It is biodegradable and compostable.
To use parchment paper as a microwave cover, simply cut a piece large enough to cover the dish and place it over the food. You can also crumple the parchment paper and then flatten it out before placing it over the food. This creates air pockets that help to distribute heat evenly.
Microwave-Safe Paper Towels
In a pinch, a microwave-safe paper towel can be used to cover dishes in the microwave. However, it is essential to use a plain, white paper towel without any printed designs or patterns.
The advantages of using a paper towel include:
- Readily available: Most households already have paper towels.
- Absorbs moisture: It helps to absorb excess moisture, preventing food from becoming soggy.
- Effective splatter protection: It provides basic splatter protection.
However, use only plain, white paper towels without any printed designs or patterns. Avoid using colored or patterned paper towels, as the dyes may leach into the food when heated. Make sure the paper towel is slightly damp to prevent it from catching fire.
Materials to NEVER Use in the Microwave
While there are many safe options for microwave covers, certain materials should never be used in the microwave due to safety concerns.
Metal
Metal is a definite no-no in the microwave. Metal can cause sparks and even start a fire. This includes aluminum foil, metal utensils, and dishes with metallic trim. The microwaves reflect off the metal surface, creating an electrical field that can cause arcing.
Non-Microwave-Safe Plastics
As mentioned earlier, only use plastics specifically labeled as “microwave-safe.” Other plastics may melt or leach harmful chemicals into your food. Avoid using plastic containers, bags, or wraps that are not designed for microwave use.
Foam Containers
Foam containers, such as those used for takeout food, are not microwave-safe. They can melt and release harmful chemicals into your food.
Brown Paper Bags
Brown paper bags are not designed for microwave use and can catch fire.
Melamine
Melamine is a type of plastic used to make dishes and utensils. It is not microwave-safe and can leach harmful chemicals into your food when heated.
Tips for Using a Microwave Cover Effectively
To get the most out of your microwave cover, keep these tips in mind:
- Always use a microwave-safe cover. Check the label to ensure the material is suitable for microwave use.
- Leave a vent for steam to escape. This prevents pressure from building up inside the cover and reduces the risk of explosions.
- Clean the cover regularly. Food splatters and condensation can accumulate on the cover, making it a breeding ground for bacteria. Wash the cover after each use with soap and water or in the dishwasher.
- Choose the right size cover. The cover should be large enough to completely cover the dish without touching the food.
- Be cautious when removing the cover. Hot steam can escape when you remove the cover, so be careful not to burn yourself.
Conclusion: Choosing the Right Microwave Cover
Selecting the right microwave cover is an important step in safe and effective microwave cooking. Prioritize microwave-safe materials such as designated plastics, silicone, ceramic, or glass. Understanding the benefits and limitations of each option, from reusable commercial covers to temporary household substitutes like parchment paper, will contribute to a cleaner microwave, evenly heated food, and a safer cooking environment. Avoid materials like metal, non-microwave-safe plastics, and foam, and remember to always allow for steam to escape. By following these guidelines, you can confidently use your microwave and enjoy delicious, safely heated meals.
What materials are generally safe to use as microwave covers?
Generally, microwave-safe plastic covers, glass lids designed for microwave use, and microwave-safe silicone covers are safe options. These materials are designed to withstand the heat generated by microwaves without melting, leaching chemicals, or shattering. Look for labels that specifically state “microwave-safe” to ensure the product is suitable for microwave use.
Avoid using materials like metal, aluminum foil, or containers with metallic trim as these can cause sparks and potentially damage the microwave. Similarly, avoid using plastic containers not specifically labeled as microwave-safe, as they may melt or release harmful chemicals into your food. Always prioritize safety and choose covers that are clearly indicated as safe for microwave use.
Can I use paper towels as a microwave cover?
Yes, plain white paper towels are generally safe to use as a microwave cover for short periods. They can help prevent splattering and keep the inside of your microwave clean. However, it’s important to ensure the paper towels are not colored or printed with inks, as these can sometimes contain substances that aren’t microwave-safe.
Be cautious when microwaving for extended durations, as dry paper towels can potentially catch fire. Moisten the paper towel slightly before use to reduce the risk of ignition. Also, avoid using recycled paper towels, as they may contain metal fragments that could cause sparking. It’s always a good idea to monitor the microwave while using paper towels as a cover.
Are plastic wraps safe for covering food in the microwave?
Microwave-safe plastic wrap is generally considered safe for covering food in the microwave, but with precautions. Ensure the plastic wrap is specifically labeled as microwave-safe. This type of plastic wrap is designed to withstand the heat and will not melt or release harmful chemicals into your food. Leave a small vent to allow steam to escape.
Avoid direct contact between the plastic wrap and the food, especially fatty foods. The high temperatures generated by microwaves can sometimes cause the plastic wrap to melt into the food if they are in contact. Always follow the manufacturer’s instructions and use microwave-safe alternatives whenever possible for greater peace of mind.
Is it safe to use ceramic plates or bowls as a cover in the microwave?
Many ceramic plates and bowls are safe to use as covers in the microwave, but it’s essential to check for microwave-safe markings. Ceramics that are specifically designed for microwave use will be clearly labeled. These ceramics are typically made to withstand the heat generated by microwave ovens without cracking or shattering.
Avoid using ceramic plates or bowls that have metallic paint or trim, as metal can cause sparks and potentially damage your microwave. Also, be cautious with older ceramic pieces, as they may contain lead or other harmful substances that could leach into your food when heated. When in doubt, opt for microwave-safe glass or plastic covers instead.
Can I use a glass container lid as a microwave cover?
Yes, glass container lids are generally safe to use as microwave covers, especially if they are specifically designed for microwave use. These lids are made from tempered glass, which is more resistant to heat and thermal shock than regular glass. Ensure the lid fits loosely to allow steam to escape and prevent pressure build-up.
Avoid using glass lids that are chipped, cracked, or have any visible damage, as these can shatter during microwave use. Also, check the lid for any metal components or trim, as metal is not safe to use in a microwave. Always handle the lid with caution after microwaving, as it may be hot.
Are silicone covers safe to use in the microwave?
Microwave-safe silicone covers are an excellent option for covering food in the microwave. Silicone is a heat-resistant material that can withstand the high temperatures generated by microwave ovens. Silicone covers are flexible, easy to clean, and often come with vents to allow steam to escape, preventing splattering.
Ensure that the silicone cover you use is specifically labeled as microwave-safe and food-grade. This indicates that the silicone has been tested and certified to be safe for use with food and won’t leach harmful chemicals. Avoid using silicone covers that are discolored or have a strong chemical odor, as these may not be of high quality or safe for microwave use.
What should I do if my microwave cover melts or sparks in the microwave?
If your microwave cover starts to melt or spark while in the microwave, immediately stop the microwave. Open the door carefully and remove the cover using oven mitts or tongs, as it may be very hot. Dispose of the melted or sparking cover immediately, as it is no longer safe to use.
Check the inside of your microwave for any damage or residue. Clean the microwave thoroughly before using it again. If the microwave sparked, it’s a good idea to consult with a qualified appliance repair technician to ensure the microwave is still safe to operate. Avoid using the same type of cover that caused the issue again, and always opt for microwave-safe materials.