INGREDIENTS
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5 cups all-purpose flour (spooned and leveled), plus more for work surface
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1 teaspoon fine salt
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3/4 cup plus 2 tablespoons sugar, divided
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2 cups (4 sticks) cold unsalted butter, cut into small pieces
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2/3 cup ice water (plus up to 1/2 cup more for pulsing)
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3 3/4 pounds peaches, thinly sliced (12 cups)
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1/4 cup cornstarch
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1 tablespoon finely grated lemon zest plus 2 tablespoons lemon juice