"It's almost like being there......"
INGREDIENTS
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1 stick butter
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1 stick butter, room temperature
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1 cup granulated sugar
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1 egg
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1 teaspoon vanilla extract
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zest of 2 limes, divided
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1 1/2 cup all-purpose flour
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1 teaspoon baking powder
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1/2 teaspoon baking soda
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1/2 teaspoon salt
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1/4 cup key lime juice
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1/4 cup milk
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1 cup powdered sugar
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2 tablespoons milk, plus more if needed
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1 tablespoon key lime juice