INGREDIENTS
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1 cup all-purpose flour
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2 tsp sugar
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1⁄4 tsp table salt
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3 tbsp unsalted butter, cut into small chunks
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2 tbsp water, or more as needed
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4 medium apple, peeled, cored and sliced 1/4-inch thick
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1⁄4 cup sugar
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1 tbsp all-purpose flour
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1⁄4 tsp ground cinnamon
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1⁄4 tsp ground nutmeg
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1 tsp fresh lemon juice
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1 tbsp water, at room temperature
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2 tbsp unsalted butter
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1⁄3 cup rolled oats
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5 tbsp all-purpose flour
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2 tbsp sugar