"Apple crumble slab pie combines the buttery, flaky crust of an apple pie with an oat crumble topping and peak fall apples. Best of all, baking in a sheet pan means no lattice or crimping required...."
INGREDIENTS
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1 cup (2 sticks) unsalted butter, cold
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2 1/2 cups all-purpose flour
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1 Tablespoon sugar
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1 teaspoon salt
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1/2 cup buttermilk*
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1/2 cup apple cider
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8 cups cored, peeled, and sliced apples ((this was 8 medium apples for me))
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2 Tablespoons lemon juice
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2 Tablespoons unsalted butter
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2/3 cup sugar
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2 Tablespoons all-purpose flour
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2 Tablespoons cornstarch
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1 teaspoon cinnamon
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1/4 teaspoon nutmeg
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1/4 teaspoon allspice
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1/4 teaspoon salt
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1 cup all-purpose flour
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1/2 cup brown sugar
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1/2 cup sugar
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1/2 cup (1 stick) unsalted butter, cold
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1 cup old-fashioned (rolled) oats
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1 teaspoon cinnamon
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1/2 teaspoon nutmeg
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1/4 teaspoon allspice
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Pinch ground cloves
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Pinch salt