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 | You may have noticed that the typical popover recipe contains no baking powder, 
baking soda, or yeast to make the popovers rise.   So, what makes them "pop over"?
 
 Basic popovers are made with eggs, milk, and flour.   The 
batter is thin enough to be pourable, about as thick as heavy cream.
 
 The high proportion of liquid in the batter creates steam that 
causes the popovers to puff up like the popover pictured below.   The 
conversion of the liquid in the batter to steam is dramatic.   One part 
liquid converts to 1600 parts steam.   The egg protein causes the 
popover batter to stretch, hold the steam and solidify to form crusty walls.
 
 The popover pictured below has been split open.   You can see that it is hollow inside.
 
 
   Note:   You may notice that some recipes called 'popover' still
have baking powder or baking soda.   These recipes sometimes have more egg in the
recipe than will rise well without additional leavening.   You can also
fill the popover cups fuller if you use baking powder or baking soda.
 
 Click here for more information about popovers.
 
 Knowing this helps the cook understand how to bake popovers
successfully.  Click here to find out what you need to 
get started.
 
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