6 limes, zested
3 (12 fluid ounce) cans evaporated milk
6 (14 ounce) cans sweetened condensed milk
1 tablespoon freshly grated nutmeg
1 (750 milliliter) bottle dark rum
1 tablespoon aromatic bitters
In a large bowl, beat the eggs and lime zest until light and fluffy using an electric mixer. Mix in the evaporated milk and then the condensed milk. Stir in the nutmeg, rum and bitters. Refrigerate until serving.