Recipe courtesy of Louisiana Kitchen & Culture
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Combine wafer crumbs and butter; press firmly into bottom and up side to rim of 9-inch pie plate. Chill. Beat cream cheese until fluffy in large bowl. Gradually beat in sweetened condensed milk and citrus slush until smooth. Fold in whipped cream. Pour into crust. Chill or freeze 2 hours or until set. If frozen, remove from freezer 5-10 minutes before slicing. Garnish with citrus sections and additional whipped cream if desired.