Line a muffin pan with cupcake liners or grease heavily.
Crush graham crackers into crumbs and mix with melted butter. Press into the bottom of each well in the muffin pan. Place in the fridge to cool.
Whip heavy cream until stiff peaks begin to form and transfer to the fridge.
Beat cream cheese until smooth. Add sweetened condensed milk and mix. Add whipped cream and mix until combined. Stir in lime juice and lime zest.
Divide the mixture into the muffin pan and refrigerate overnight. For an extra sweet treat on a hot day, freeze and enjoy.
