Photo credit to Nom Nation condensed milk evaporated milk rum vanilla eggs (or flax egg) sugar Whisk the eggs, then combine all other ingredients EXCEPT the sugar. In a small pot, caramelize the sugar by adding about 1 tablespoon of water to the pot of sugar so it won't stick and burn on the bottom. Do not move the sugar around. Pour the dark brown, caramelized sugar into the bottom of a round baking pan, into an even layer. Pour other ingredients into the pan, into an even layer, without mixing into the caramelization. Bake in a shallow water bath for 1 hour at 350 degrees.