INGREDIENTS
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Cooking-oil spray
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1 cup butter, softened
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1 1/4 cups granulated sugar
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3 large eggs
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2 oranges (about 1 lb. total), ends trimmed, then cut into chunks and seeded
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2 1/2 cups flour
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1/4 teaspoon salt
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1/4 teaspoon baking soda
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1/2 teaspoon baking powder
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1 1/2 cups powdered sugar
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2 tablespoons plus 1 tsp. orange juice