"Traditional recipes for apple squares often use plenty of trans fat-laden shortening in the crust. We replaced it with a mixture of canola oil and butter and swapped out half the all-purpose flour for whole-wheat pastry flour for a little fiber. They are best enjoyed slightly warm. Gently reheat any leftovers in the oven or toaster oven to recrisp the crust...."
INGREDIENTS
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1 1/4 cups whole-wheat pastry flour
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1 1/4 cups all-purpose flour
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2 tablespoons sugar, plus 3/4 cup, divided
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3/4 teaspoon salt
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1/4 teaspoon baking powder
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4 tablespoons cold unsalted butter
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5 tablespoons canola oil
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1/3 cup ice water
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1 large egg, separated
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4 cups thinly sliced firm tart apples, such as Granny Smith, Empire or Cortland, peeled if desired