INGREDIENTS
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Softened butter , for greasing pan
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3 cups/385 grams all-purpose flour
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1 cup/200 grams sugar
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1 teaspoon fine sea salt
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3 sticks/340 grams cold unsalted butter , cut into cubes
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3/4 cup/75 grams walnuts , toasted and chopped
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1/2 teaspoon ground cinnamon
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1/2 teaspoon ground cardamom
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1 1/2 pounds/680 grams tart apples , such as Granny Smith (about 3 large), peeled, cored and cut into 1/8-inch slices
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1 1/2 pounds/680 grams sweet-tart apples , such as Fuji, Pink Lady or Gala (about 3 large), peeled, cored and cut into 1/8-inch slices
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3 tablespoons lemon juice
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1/4 cup/55 grams unsalted butter (1/2 stick)
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1 teaspoon ground cinnamon
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1 teaspoon freshly grated nutmeg
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1/2 teaspoon ground cardamom
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2/3 cup/135 grams sugar