- Electricity is converted into microwaves by magnetron tubes, which were designed specifically for this purpose.
- Metal reflects energy which is why the interior sides of a microwave oven cavity are made of metal
- Contrary to popular belief, microwave ovens cook from the outside in- NOT the inside out.
- So why do they cook so much faster than a conventional oven? Microwave ovens cook faster than conventional ovens because when the microwaves penetrate food (0.5''-0.75'' deep), there is more heat created in the outside portion of the food which then moves more quickly to warm/cook the inside.
- Metal plates and aluminum foil should never be used with food in a microwave because the waves will deflect off preventing cooking. This could also result in potential overheating of the magnetron.
- Standard microwave ovens don't have the ability to brown food. To solve this issue, manufacturers have introduced combination convection/microwave ovens which utilize dry heat and air plus speed to produce cook times up to 80% faster than a traditional convection oven.
Monthly Archives: March 2013
The microwave oven is one of the most widely used items in all kitchens, both commercial and residential, yet interestingly, its' performance is one of the most misunderstood. So how does it actually work? In a nutshell, a microwave oven takes electricity and converts it into invisible electromagnetic waves which move at the speed of light. These energetic microwaves then penetrate food (from 0.5 to 0.75 inches deep) and are absorbed by the fat and water molecules in your food. This causes the molecules to vibrate rapidly which in turn creates friction and heat. This heat is what warms or cooks your food. Pretty cool, right? Here are some interesting facts and interesting microwave mythbusters:
It's been a whirlwind 25 years, friends! We can't believe that a full quarter century has passed since Mission's inception in March of 1988, but we are proud of our journey and humbled by your unwavering support. (For a little history on our name and our brand, visit this article!) Many things have changed over the course of our history, from new showroom locations to new family additions, but one thing has never wavered and that is our commitment to you, our customers, along with our compassion for what we do. The foodservice industry is a bustling, dynamic force for our economy, acting as one of the largest employers in the nation, and it is our job to make sure that all of these places of employment, including restaurants, bars, schools and hospital kitchens, are equipped with the finest commercial equipment and supplies. We were honored in 2012 to be named Dealer of the Year by FE&S Magazine and that achievement could never have been reached without your help. The Mission Culture is rooted in family, honesty, industry expertise, continuing education, respect and a commitment to always doing the right thing. We strongly believe that these principles in addition to your relationships will help us carry on stronger than ever, now and in the future. To celebrate this momentous anniversary, we'd like to invite you to celebrate with us at any of our 5 showrooms for the week of March 25-March 30, 2013. If you live in vicinity of one of our 5 showrooms, we hope that you will join us as we kick off the next 25 years! We hope to see you all there- there will be lots of door prizes, free cake, specials valid just for the week ($25 off $250 or more) and you can also register to win an Apple IPad! Please note that our Corpus Christi showroom will be having their cake on Thursday the 28th of March, 2013 as a joint celebration of our anniversary and their newly-revamped/renovated showroom! Please call 800-319-0690 for further questions and details!
Many times in our industry, food is cooked ahead of time, hours before it is ready to be served. To ensure food safety is adhered to, it is imperative that this hot, freshly-cooked food is cooled in a timely manner. As some of you may (or may not) know, taking cooked food to a safe temperature is a 2-step cooling process:
- The first step requires you to take food from 135°F to 70°F within 2 hours. If this doesn't happen food must be thrown away as it has already been exposed to "The Danger Zone" for a harmful period of time.
- The second step is to take the food from 70°F to 41°F or lower in the next 4 hours.
This 2-step process is an important one to adhere to in order to keep bacteria from growing and foodborne illnesses from outbreaking.
DID YOU KNOW: Microorganisms grow wildly when food is left in between the "danger zone" temperatures of 41°F and 135°F? That is why it is so important to ensure food cools down in 2 hours during the 1st step of the cooling process. If for some reason food doesn't reach the 70° mark in 2 hours, be sure to throw it out and start fresh. Remember the consequence of a foodborne illness is far worse and more damaging to your reputation. Don't risk it.
What Factors Affect Cooling Food?
The storage container: To achieve quicker cooling, try storing food in small, shallow pans 2'' -2/5'' deep, which allow the heat to disperse more quickly. Dividing up large containers of food will ensure that every square inch of your food product is achieving a quick cool down.
- Food density/thickness: Keep in mind that the more dense and thick a food may be will affect how quickly it cools; the more dense the food, the longer it takes to cool, the less dense (think broth) the less time is needed.
Which Cooling Methods Are Safe?
- Stirring food with a Cooling Paddle is an efficient way to quickly bring down temperatures of chillis, soups, stocks and more. Simply fill the paddle with ice or water and freeze it. Once frozen, submerse the paddle and stir for a quick, even cool down. We have a 64 oz and a 128 oz Ice Paddle by San Jamar available online!
- For large banquets, hospitality, healthcare and other high volume settings, a Blast Chiller is a great investment. Blast chillers do just what they say they'll do: blast cold air over food at high speeds to remove heat and bring down temperature.
- One of the easiest and most widely used tactics for cooling food is to place it in an Ice-Water Bath. Once food is divided into small containers, place it in a sink (or pot) filled with ice and water and allow it to cool down; stir as necessary.
For more food safety tips, make sure to check back for more blogs and articles, and as always, feel free to call our staff at 800-319-0690 for more information!