INGREDIENTS
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1 cup pretzels
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1/4 cup sugar
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2 tablespoon butter, softened
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1 (14-ounce) can sweetened condensed milk
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1/2 cup lime juice
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3 tablespoon lime-flavored gelatin
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1 (8-ounce) container frozen whipped topping, thawed and divided
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1 teaspoon lime zest