Sweet Potato Pie Recipe

September 25th, 2010

3 cups of sweet potato puree (3 large potatoes should yield this much)
1 cup dark brown sugar
1 cup pure maple syrup
1 cup whipping cream
4 large eggs
2 teaspoon vanilla extract
3 tablespoons Grand Marnier
1 1/2 teaspoon ground cinnamon
1/2 teaspoon salt

Prepare a graham cracker crust in a 9-inch pie dish. You should use a dish with reasonably tall sides. I use an Emile Henry dish that has a 1.4 quart capacity. My graham cracker crust is usually a pack and a half of graham crackers (12 crackers I believe), with a quarter cup of sugar, and a stick of butter. Break down the crackers into small, uniform crumbs in the processor and then add the other two ingredients. Mold into pie dish and bake at 375F for about 15 minutes or as long as it takes to brown.

Preheat oven to 325F. Boil potatoes until a butter knife can easily pierce the potato through to its center. The potatoes are easier to peel if you boil them with the skin on and remove the skins after they’re cooked. Run the peeled, cooked potatoes through a food mill. You can also press the potatoes through a Tamis, or you can put them through a ricer, or you can puree them in a food processor. Whipping them with the whisk attachment of a mixer or mashing them with a hand masher won’t give you good results.

Measure 3 cups of the pureed potatoes into your food processor. Add cream, maple syrup, brown sugar, cinnamon, Grand Marnier, and vanilla. Blend in processor until the mixture is uniformly smooth. Add eggs one at a time, fully incorporating before each subsequent addition.

Pour custard into the pie dish with the prepared crust. The custard should completely fill the pie dish. Place pie dish in a roasting pan (or other large baking vessel) and fill with warm water 1/2 way up the side of the pie dish. Bake at 325F until the center of the pie is completely set. I forget how long. I typically turn off the oven at this point and allow the pie to remain in the cooling oven for 15-20 minutes before removing it.

Once the pie is completely cooled, glaze the top with the Grand Marnier, caramel sauce. The sauce is made by caramelizing a 1/2 cup of golden brown sugar and whisking in 3 tbsp of butter. Once the butter is fully incorporated, turn off the heat, and whisk in tbsp of Grand Marnier, 2 tsp of Fleur de Sel (or kosher salt), and a bit more than 1/4 cup of heavy cream. Make sure that you’re using a big sauce pan (3 qts is good) because the additions you make off the heat will cause the caramel to vigorously bubble up, and could overflow if the pan is too small. Also, if you’ve never made caramel before, use caution. The caramel will be much hotter than boiling water and you can get seriously burned if any gets onto you before it cools down. Allow the sauce to cool before applying to the top of the pie.

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Sweet Potato Pie

September 25th, 2010

Fall in the southeast brings with it the harvest of a variety of root vegetables, tubers, and gourds that subsequently become the flavors of the season in southern cooking. One of my very favorites is sweet potato pie. Both my maternal Grandmother and my Mom are prolific bakers and when the first sweet potatoes come in, they immediately start making batches of sweet potato pie. Their pies always have graham cracker crusts and almost always are topped with a layer of carefully arranged, white marshmallow puffs that caramelize to a golden brown when baked.

Sweet potato pie isn’t really a big thing here in California, and most of the folks that I run into have never tried it, or for that matter even know whether it’s a savory or a sweet thing. Also to my palate, I’ve found that the sweet potatoes commonly available in supermarkets in California are a bit more fibrous and have a slightly flatter flavor than those grown in the clay soils of Virginia and North Carolina. So, every Fall when the sweet potato harvest starts, my Mom mails me a few pounds so that I can make pie.

My first batch of 2010 arrived this week. My take on the traditional dish is a silky pie sweetened with dark brown sugar and pure maple syrup and flavored with vanilla, cinnamon, and a few splashes of Grand Marnier. To achieve the silky texture, I boil the potatoes whole until they’re cooked through and I run them through a food mill. Rather than topping my pie with marshmallows, I glaze the finished dish with a salty, Grand Marnier caramel. I’m rather fond of the result. One of these days, I’ll post the exact recipe.

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Mrs. Walthall’s Poundcake

April 14th, 2010

For years, one of the decadent joys to which I was often treated when visiting my childhood home was Mrs. Walthall’s Poundcake. Mrs. Walthall was one of the ladies from my Mom’s church and was renowned in the little town of Gladys, Virginia for her excellent baked goods. Her masterpiece was her poundcake. I was such a vocal fan of it that Mrs. Walthall would bake one for me whenever she found out from my mother that I was coming into town. This is most certainly not health food. But if you want a real treat, the recipe is not all that difficult.

Mrs. Walthall’s Poundcake

8 tablespoons unsalted butter (1 stick) at room temperature
1 cup Crisco brand vegetable shortening
3 cups sugar
6 large eggs
1 cup milk
1 tsp vanilla extract
1 tsp orange extract or orange liqueur
1 tsp lemon zest
1 tsp coconut extract
3 cups all purpose flour
1 tsp baking powder
1/2 tsp salt

Preheat oven to 350F.

Sift together flour, backing powder, and salt either onto parchment or into a mixing bowl.

Combine butter, shortening, and sugar in a large mixing bowl and beat until sugar is fully incorporated and the mixture is light and fluffy. Beat in eggs one at a time, fully incorporating each before the next addition. Add the vanilla, orange, lemon, and coconut flavorings.

Add approximately 1/3 of the flour into the mixing bowl and beat to fully incorporate. Add the milk and beat to fully incorporate. Add the remaining flour in two more batches, fully incorporating each before the next addition.

Pour batter into a buttered and floured bundt pan. Bake at 350F for 1 hour and 20 minutes or until a toothpick inserted into the cake comes out clean. Although a bundt pan is the traditional choice, you may also divide the batter into two 9″ cake pans and bake.

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2008 Retrospective

December 31st, 2008

2008 has certainly been an interesting year. It’s all too easy to fixate on the bad when looking back over this particular 12 months of our collective experience. Goodness knows that the American mass-market media can think of little else other than the bad. And they’ve had a lot of raw material from which to ply their mostly-negative trade: a failed war in Iraq, an acrimonious presidential campaign, global warming, international violence (Russia v Georgia, Israel v Hezbollah, Israel v Hamas, India v Pakastan-based Terrorists, etc.), human rights violations committed by nation states including our own, world-wide inflation of food and energy prices, and a historic failure of the international credit markets that has cascaded into business failures, higher unemployment, and a reduction in aggregate consumption.

From my perspective though, 2008 wasn’t all bad, and I’m spending most of my time today reflecting on all that was good over the past 12 months.

  • Chloe, my daughter, was born.
  • Obama was elected President.
  • My company is still growing like crazy, launched a bunch of great new products, scaled our serving infrastructure to handle xxx% year-over-year traffic growth, and hired a bunch of awesome engineers. We’re still hiring. Contact me at kevin@admob.com if you’re on the market.
  • iPhone 3G and the iPhone app store launched, followed by a vibrant, new mobile apps ecosystem.
  • Django 1.0 and Python 3.0 released. w00t.
  • I now know what a credit default swap and collateralized debt obligations are. So I got that goin’ for me, which is nice.
  • Saw lots of cool movies this summer with my wife while she was pregnant. I have to confess that Kung Fu Panda was my favorite. :-)
  • Did more cooking in 2008 than 2007.
  • Spent more time with family and old friends in 2008 than in 2007.
  • Peter Hamilton’s The Dreaming Void and The Temporal Void came out in 2008.
  • Despite insane work schedule and new baby, I wrote more spare-time code this year than usual. Some of this stuff might actually be useful and I plan on opening and releasing a few things in the next month or so. Bonus: as part of my wee-hours hacking, I finally wrote some code that uses AWS.

In general, 2008 was just a happier and more productive year for me than 2007. And despite all the doomsayers predicting economic and geo-political apocalypse in 2009, I’m going to try my damnedest to make my ‘09 even happier and more productive than my ‘08.

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Southern Dinner Rolls

November 23rd, 2008

There are many different varieties of rolls. When my wife and I lived in Germany, Brötchen were a part of our daily routine. Brötchen are crusty, yeast-leavened rolls, almost always served as the centerpiece of a proper German breakfast. The first rolls that I learned to bake were Parker House rolls, another yeast-leavened, crispy roll. I’ve spent years however, trying to figure out how to make the dinner rolls that were a staple of my youth.

Southern dinner rolls are also leavened with yeast, but rather than being crisp with a chewy crumb like the two varieties of rolls I just mentioned, the southern dinner roll has a soft, cake-like crumb and is ever-so-slightly sweet in flavor. The unfortunate thing about southern dinner rolls is that their recipes seem to only live in the heads of little old women who have been making them by feel for 50 years. I’ve been trying to get a usable recipe from a variety of these sweet old ladies for a really long time now. Through a process of trial and error, I’ve finally arrived at a recipe that yields dinner rolls that match my childhood recollections.

Southern Dinner Rolls

  • 3 cups of cake flour
  • 3-4 cups of unbleached all-purpose flour
  • 2 cups of whole milk
  • 1 stick of unsalted butter
  • 1 egg
  • 1/3 cup of honey
  • 3 generous tsp of kosher salt
  • 1 pkg of active dry yeast

Combine milk and 6 tbsp of butter in a microwave-proof dish and microwave for 3 minutes until butter is melted. In the bowl of a mixer combine honey, egg, salt and whisk together. As soon as you can dip your finger in the milk without burning (about 115F) add to mixer bowl and whisk until incorporated. Whisk yeast into mixture.

Switch to dough hook on your mixer, and add cake flour. Beat with dough hook until fully incorporated. Add all-purpose flour 1/2 cup at a time, incorporating fully after each addition. Once the dough is partially pulling away from the side of the bowl, stop adding flour. Six and a half cups of flour total is usually enough for me, although you may need more or less. The dough should be slightly sticky when you stop. If it isn’t, you have over-kneaded the dough and your crumb will be too chewy.

Pull dough out of bowl and onto a cool surface. If the dough is too sticky to handle, you can sprinkle with flour and knead a bit more by slapping the ball onto your surface and folding in half a few times. Don’t do this too much, however, or you’ll overwork the dough leading to the aforementioned chewy crumb. Divide the dough into halves repeatedly until you have 32 balls, each approximately the size of a golf ball. Roll each ball in your hand until it is approximately spherical.

Place 16 of the rolls each in two 9″ round cake pounds. Cover each pan with a damp cloth and place in a warm place to rise, approximately 2-3 hours. The rolls should more than double in volume. Melt remaining 2 tbsp of butter and brush tops of rolls, using about half of the butter. Place pans in a pre-heated 400F oven until the tops of the rolls are golden brown, approximately 15-20 minutes. Brush rolls with remaining butter when they come out of the oven.

There are a bunch of things that you can change about this recipe without substantially changing the results. You can use granulated sugar instead of honey, although if you do you’ll need a bit less flour. If you don’t have whole milk laying around, you can use a bit of half-and-half or cream to enrich reduced-fat milk. You certainly don’t need to heat your milk or melt your butter in the microwave; a sauce pan over a burner works nicely as well. You can proof your yeast as directed by most recipes in a few table spoons of 105-115F water, although this is mostly so that you can tell whether your yeast is still alive. If you’re feeling bold (and I usually am) then you can skip this step. You can even use a so-called “bread flour” if you don’t have all-purpose flour, although you should probably up the proportion of cake flour if you do this. I would recommend 3 1/2 cups of cake flour to 2 1/2 to 3 1/2 cups of bread flour if you go this route.

The single most important thing about these rolls is their texture, and the things that effect texture are the flour, how much of it you add to the liquid ingredients, and how long you knead the dough.

Do not skip the cake flour unless you are living in the south and have access to all-purpose flours milled from winter wheat like White Lily. Normal all-purpose flours contain more gluten than winter wheat. When kneaded the glutens in these flours will inter-connect and stretch forming a crumb that’s unsuitably elastic for southern rolls. Cake flours are made from soft wheats and milled to 6-8% protein content as opposed to the 10-12% of “normal” all-purpose flour. Mixing cake flour into all-purpose flour will lower the effective protein content and allow the formation of a soft, tender crumb in these rolls.

Do not add too much flour to the liquid ingredients. The dough should definitely be sticky to the touch when you pull it out of the mixing bowl, but still manageable. Adding too much flour will result in dry rolls. Unfortunately, flours take on different levels of moisture depending on your environment. Different types of flours also vary in density based on the milling process used and their protein content.

These two things mean that a cup of flour is a rather loose measurement. Weighing the flour is the second best way to overcome this problem. I say second best because most recipes are written in terms of volume measures which would mean that some trial and error would be involved in translating to weight measures leaving you where you were when you started. The best way to deal with the variable density of a cup of flour is to know what you’re looking for in the finished, kneaded dough. In this recipe it is dough that will stick to your fingers but that still allows you to pull your fingers away with only a bit of dough clinging to your skin.

Finally, please don’t over-knead the dough. Kneading is the process that promotes linkage of glutens in the dough and that stretches them out to form longer proteins. The longer you knead a dough, the longer and more elastic your glutens will become. These long, elastic glutens are highly desirable for breads like baguettes which use multiple-risings to develop flavor and that have large, springy crumb as their raison d’ĂȘtre. Large, springy crumb is exactly the opposite of what we’re going for, so only work the dough enough to fully incorporate the flour, and perhaps a bit more if the dough is unmanageably sticky once you starting working it with your hands.

Hopefully this is enough information for you to reproduce a good southern dinner roll, and to experiment a bit if you don’t get the results you’re looking for with your first batch.

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