Plastics
Plastic dishes, picnic ware, thermal cups, mugs and bowls may be used in the oven for short period of time. But none of these should be used in the oven for prolonged period because distortion and melting may occur. Check manufacturer's recommendations concerning microwave safety.
Plastic wrap can be used to cover dishes in most recipes. Use plastic warp as a tight covering, but pierce it before removing to prevent steam burns.
Plastic cooking bags should be slit before cooking so excess steam can escape, Do not wire
Paper
Paper cups, wax paper, napkins, paper towels, plates and paper cartons may be used for cooking. Prolonged time in the oven can cause paper to burn, Wax paper is suitable to use to prevent spatter.
Do not use recycled paper products, such as brown paper bags, since they contain impurities. which may cause arcing and damage the oven.
Straw, Wicker and Wood
Straw and wicker baskets may be used in the oven for the very short time it takes to heat rolls. Large wooden utensils, such as bowls or cutting boards should not be used for prolonged cooking as the microwave energy may cause the wood to become dry and brittle. However, wooden spoons or
Metal
Metal utensils should not be used in the oven. Since microwave energy is reflected by metal, foods in metal containers will not cook evenly with the possibility of "arcing". Arcing may cause damage to the oven walls.
Special Microwave Accessories
Browning dishes can be used for searing, browning and frying during microwave cooking. Browning dish has a special coating on the bottem that attracts microwave energy when the dish is preheated in a microwave oven. Do not preheat the browning dish longer than the manufacturer's recommendation.
Roasting rack to hold the food away from the liquid which accumulates as meat cooks. It is ideal for bacon and assists in reheating pastry and other dry items.
Cake
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