1 can evaporated milk
1 can sweetened condensed milk
4 eggs
1 c. sugar
1 tsp. vanilla

Caramelize the cup of sugar in a pan and pour into bottom of Pyrex dish. (Ten inch pie plate or something similar in size.) Mix remaining ingredients and pour into the pie plate over the caramelized sugar. In pre-heated oven (350 degrees) cook about 35 minutes in a pan of water until a toothpick inserted in the flan comes out clean.