½ cup evaporated milk 1 cup sweetened condensed milk ½ cup heavy cream 2 tsp. cornstarch 1 ½ tsp. ground cinnamon
Bring milks, cream, cornstarch, and cinnamon to a boil in a 1-qt. nonstick pan. Reduce heat to low; cook, stirring, until deep caramel in color and thick, about 2 hours. Pass through a strainer into a bowl; cool.