Chicha de Avena (Oat Beverage) Recipe

Pour water into a tall pot; bring to a boil. Add oats; cook stirring occasionally in boiling water until a thin oatmeal forms about 5 minutes. Remove pot from heat.

Stir cold water condensed milk and vanilla extract into oat mixture; transfer to a pitcher and chill in the refrigerator until cold at least 1 hour. Pour drink into glasses and sprinkle cinnamon over the top.