
Emily’s Runaway Imagination is one of Beverly Cleary’s lesser-known works, and it takes place on a farm in the 1920s or thereabouts. One of the scenes I remember best is where Emily (a little girl with a big imagination) bakes custard pie for a church potluck. She’d previously overheard someone say that the secret to a light and flaky pie crust was adding “a generous pinch of baking powder” to it, and she’s eager to demonstrate her newfound pie crust prowess.
“Two and a half cups of flour,” directed Mama. “Some salt — not quite a teaspoonful. Let’s see, some lard. You’d better let me measure that.” Mama came into the pantry and deftly measured the lard out of the lard bucket. “Now Emily, take two knives and slash through the flour and lard until it is as fine as corn meal.” Emily started to slash. […]
Quickly Emily added a generous pinch of baking powder and then, not certain how big a generous pinch should be, added another generous pinch to make sure. Then she slashed and slashed and according to Mama’s directions, added water, just a little bit. “There are two secrets to making good pie crust,” said Mama. “Use very little water and handle the dough lightly.” Emily smiled to herself because she knew a third secret.
Unfortunately for Emily, once the pies come out of the oven, instead of the custard surface being “golden yellow and flecked with nutmeg,” the crust has risen to the top with the custard at the bottom. Her mother concludes that the custard filling was too liquidy to weigh the crust down (apples or raisins would apparently have worked better). No one wants to eat her “funny-looking” pie, until one of her neighbors remarks that the inversion will keep the crust from getting soggy… and then everyone digs in.
I always wondered as a kid if this would really happen if you added baking powder to a custard pie crust. Thinking about it now it doesn’t really make sense, since the custard would have no way of getting down through the bottom of the crust unless the crust had holes in it to let the custard flow through– without the holes even the puffiest crust would just end up pushing the extra custard over the top of the pan to spill on the oven floor. I could dock the crust, of course, but no one would dock a crust with big enough holes to let custard get through in any quantity– that’s just asking for the custard to leak and stick the crust to the pan.
I decided to give this food myth (if one can really call it that) the best possible chance of success by cutting a few 1″ circles out of the pie crust, allowing the custard plenty of space to run through and let the crust rise up to the top. I figured that if that didn’t work, nothing would.
Let’s see what happens!
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