Peach pie is my all-time favorite pie, but I usually make a round Peach Pie with Lattice Crust. Today I was in the mood to make a slab pie, and the farmers market peaches were at the perfect stage for pie, perfectly ripe but still firm, their fragrance filling the kitchen.
A quarter-sheet slab pie takes the same amount of filling and just slightly more pastry than my regular 9-inch pie, but gives more servings. If you're having an occasion where multiple desserts are served, you can cut even smaller servings -- not something you can do, neatly anyway, with a round pie. Perfect for picnics and potlucks!
If you don't have tapioca flour, you can use cornstarch; but I don't recommend it. Unless you cook the peaches to death, the cornstarch can remain a little "starchy," in both flavor and mouthfeel. If you haven't tried tapioca flour (also called tapioca starch), I think you'll be pleased at the difference it will make in your pies.
This pastry is a little different than my usual ones with water. Made with milk that's been soured with a little cider vinegar (or with buttermilk), it ensures a tender crust. It all started a few years ago when I had a little buttermilk left over from something and didn't want it to go to waste so used it instead of water in a pie crust I was making. Later I found that this substitute for buttermilk works just as well.
What is your favorite pie? I like Peach Galette for Two when I'm trying to behave myself and not eat pie three times a day!
Peach Slab Pie (Makes one 13x9x1-inch pie, 8 to 12 servings)
The Pastry
3/4 cup milk
2 teaspoons cider vinegar
3 dip-and-sweep cups (15 ounces/425 grams) unbleached all-purpose flour
1 teaspoon salt
2 sticks (8 ounces/227 grams) unsalted butter, cold
3 dip-and-sweep cups (15 ounces/425 grams) unbleached all-purpose flour
1 teaspoon salt
2 sticks (8 ounces/227 grams) unsalted butter, cold
The Peach Filling
2 1/2 pounds ripe yellow peaches
1/2 to 2/3 cup sugar
1/4 cup tapioca flour
1/8 teaspoon salt
1/8 to 1/4 teaspoon cinnamon
1/8 teaspoon mace or nutmeg (I want you to taste the peaches!)
1/2 to 2/3 cup sugar
1/4 cup tapioca flour
1/8 teaspoon salt
1/8 to 1/4 teaspoon cinnamon
1/8 teaspoon mace or nutmeg (I want you to taste the peaches!)
1 In 1-cup glass measure, stir together milk and vinegar; let stand while proceeding with pastry. In large bowl, whisk together flour and salt. With pastry cutter or fingertips, cut butter into flour, leaving some larger pieces. With a dinner fork, stir in the soured milk a little at a time, using only as much as necessary to form a shaggy dough. If you need additional liquid, just add cold water a teaspoon at a time. Divide the dough in two, and wrap each half in a square of plastic wrap, forming the dough into a 1-inch-thick disk. Refrigerate for 30 to 60 minutes. Save the pieces of plastic, you'll be using them again.
2 On a lightly floured piece of parchment, roll out one piece of dough to a 16x12-inch rectangle and transfer it to a cooking-sprayed 13x9x1-inch quarter-sheet pan, pressing dough (but not stretching it) to fit pie pan with about a one-inch overhang (trim with knife or scissors), cover with reserved pieces of plastic wrap and chill in the refrigerator.
3 Using the same piece of parchment, roll out the top crust just as for the bottom crust. Place it, parchment side down, on a 15x10x1-inch or half-sheet pan and place in refrigerator. Preheat oven to 375F/190C/Gas5.
4 Wash the peaches well and rub off the fuzz, no need to peel; slice into a large bowl (I use a 2-quart glass measure). You'll have about 6 cups of sliced peaches. (I slice them like this: Quarter peach, cut each quarter into 1/2-inch wedges, cut wedges in 1/2-inch pieces.) In a small bowl, whisk together sugar, tapioca flour (vastly superior to cornstarch or any other thickener for fruit pies), salt and spices; add to peaches and mix gently but well. Pour into pastry-lined pan.
5 Put top crust in place, trim and crimp. To vent the pie, I use a fork to make a pattern of holes and a very sharp paring knife to make some slashes. Place the pie in a 15x10x1-inch or half-sheet pan. Bake for about 55 minutes, until crust is golden brown and juices are bubbling. Cool on wire rack for at least 3 hours before serving.
I cut this one much sooner. You can see the juices weren't quite cool enough. But bloggers have to get their photos!
I cut this one much sooner. You can see the juices weren't quite cool enough. But bloggers have to get their photos!