It depends on what you are baking. Almost always, one preheats the oven to a specific temperature, then leave the oven on to maintain that temperature while the product is baking. There are some recipes - meringues come to mind - where the oven is preheated then turned off so the product actually dries very slowly.
put it in a bag and shake it, then throw it into a preheated oven. goof off man no one needs that stuff.
Easy Off oven cleaner is the preferred brand of most people, and is now available in a fume free option. You just spray it on, leave it set for a few hours, and then wipe off.
The answer depends entirely on how long the oven requires to heat and the length of the interval between bakings. If the second batch will be ready to go into the oven in less time that it takes for the oven to heat, it is better to leave the oven on. If the second batch will not be ready for baking for many hours, it may be more efficient to turn the oven off then reheat it for the next baking.
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It depends on the type of plastic, how hot the oven was when the plastic melted, whether and how the oven was cleaned, and other factors. Some types of plastic do give off toxic fumes when overheated, and those fumes can possibly leave toxic residues in an oven.
Off, it will not run properly with the choke on, the mixture will be too rich.
An oven needs to be preheated for proper cooking temperatures and times. If an oven is not brought up to temperature, it can cause whatever is being cooked to cook unevenly or improperly.
No
No. For a pavlova, use a cool oven (about 130 degrees Celsius) and cook for between an hour and a quarter to an hour and a half - at least until you can see the outside of the pavlova is dry and slightly browned. Turn off the oven, leave the door slightly open, and allow the pavlova to cool completely in the oven.
Self cleaning ovens on many brands lock the oven door when the self cleaning cycle has started. This is because the oven heats up to a very high temp to burn off the residue on the bottom of the oven and the locking of the oven is a safety device. Once the oven has completed the cycle and the oven has cooled down some the lock will release.
Easy off is the all time best oven cleaner.
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