INGREDIENTS
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Crust:
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1 1/2 cups all-purpose flour
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1/2 cup powdered sugar
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1/2 tsp salt
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2 tsp lemon zest
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3/4 cup cold butter, cut into pieces
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Filling:
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4 eggs
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2 cups granulated sugar
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1/4 cup all-purpose flour
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1 tsp baking powder
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1/3 cup lemon juice
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1 heaping TBSP lemon zest
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Topping:
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2 cups sour cream (16 oz)
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1/3 cup granulated sugar
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1 tsp vanilla
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1 TBSP lemon zest + 1 TBSP sugar, optional