INGREDIENTS
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Crumb Topping Layer:
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1/2 Cup sugar
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1 Teaspoon cinnamon
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1 Stick unsalted butter, melted
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1 1/2 Cups all purpose flour
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Dash of salt
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Cake Layer:
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6 Tablespoons unsalted butter (at room temperature)
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3/4 Cup sugar
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2 Eggs
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1 Teaspoon vanilla
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1 Teaspoon grated lemon zest
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2/3 Cup sour cream
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1 1/4 Cups all purpose flour
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1 Teaspoon baking powder
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1/4 Teaspoon baking soda
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1/2 Teaspoon salt
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1 Teaspoon cinnamon
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2 Apples, peeled, cored and diced *
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Confectioner's sugar for dusting