INGREDIENTS
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Unsalted butter, for greasing pans
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1 1/3 cups all-purpose unbleached flour, plus more for flouring pans
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1 cup granulated sugar
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1 1/2 teaspoons baking soda
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1 teaspoon baking powder
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1/2 teaspoon salt
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2/3 cup vegetable oil
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1/4 cup lemon zest
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3 large eggs
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1 1/2 cups shredded fresh zucchini (preferably locally grown)
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1 cup toasted, chopped walnuts, plus extra, for topping
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1 1/4 cups confectioners' sugar
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1/4 cup fresh lemon juice
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1 tablespoon lemon zest
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Store-bought or homemade cream cheese icing of your choosing, for topping