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About Donovan Fandre
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I had the only nationally televised cooking series on microwave cooking that aired on PBS and The Learning Channel for 8 years and I`ve also written 5 best selling microwave cookbooks. I have been cooking by microwave for over 30 years and have accumulated expertise in cooking, defrosting, reheating, craft activities with microwave, dehydrating, and generally everything and anything pertaining to microwave use.

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Rubbermaid, Del Monte, Alaska Fish & Seafood, Sugar Council, LG Electronics

 
   

You are here:  Experts > Food/Drink > Busy Cooks > Microwave Cooking > use of foil in microwave

Microwave Cooking - use of foil in microwave


Expert: Donovan Fandre - 3/5/2008

Question
hi dear
plz tell me that acc to many recipes given on net etc we hve to wrap d things in foil while grilling or baking bt wen i do so sparks come out as a result i hve to switch off so plz guide me abt use of foil in microwave safely
thnx

Answer
Dear Sheetal, thanks for your query. Microwave energy cannot pass through metal so when you wrap food in foil it will not get hot or cook. The only reason to use foil when cooking by microwave is to shield parts of food to protect from overcooking or drying out. For example; wrap the ankles and wings of large birds, like turkeys, with foil for the first half of the cooking so they won't burn or dry out. Remove the foil after this time so these parts will cook evenly with the rest of the bird. When defrosting a roast or package of food where you don't want to use the whole thing, wrap foil around half the item and defrost according to oven directions. The portion under the foil will remain frozen while the other portion will defrost. Whenever using foil be sure to wrap securely around the food and don't leave any ragged edges or you'll experience arcs (sparks). These arcs won't hurt the oven but produce heat and anything that is flammable could catch on fire. To help understand the use of foil in microwave cooking, wrap one half of a large carrot in foil and microwave the carrot for a couple of minutes. Remove the foil and compare both halves of the carrot. The half wrapped in foil will be raw but the other half will be cooked. Also, you can cook in very shallow metal pans but the energy can only heat the food from the top. My latest cookbook instructs to cook a frozen pie by microwaving for 15 minutes and then transfer to a hot oven to complete the cooking and crisp the bottom crust. If you don't understand the use of foil don't use it for any microwave cooking. Use only glass, ceramic, or heatproof plastic for cooking. Good luck.

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