INGREDIENTS
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Cupcakes:
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1 1/2 cups all-purpose flour
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1 1/4 cups sugar
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1/2 cup buttermilk, room temperature
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1/2 cup (1 stick) unsalted butter, room temperature
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2 eggs, room temperature
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2 limes, juiced and zested
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1 1/2 tablespoons tequila, optional
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2 teaspoons baking powder
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1/2 teaspoon vanilla extract
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1/4 teaspoon salt
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Frosting:
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1 1/2 cups (3 sticks) unsalted butter, room temperature
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3-4 cups powdered sugar, or to taste
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1/4 cup freshly squeezed lime juice
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2 tablespoons tequila, optional
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2 teaspoons lime zest
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1/2 teaspoon vanilla extract
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1/8 teaspoon coarse salt