Horchata is a traditional agua fresca commonly served in Spain, Ecuador, El Salvador, Honduras and Mexico. Depending on the region, it may be made with sesame seeds, rice, tigernuts, barley, cinnamon, vanilla and sugar..
1/2 cup aged basmati
1/2 cup raw almonds
1 1/2 inches Ceylon cinnamon
1 1/2 cups boiling water
1 cup fresh whole milk, more or less
non-refined sugar to taste
Pulverize dry rice in a blender or food processor and transfer to a glass bowl. Add almonds and cinnamon then pour boiling water over the top. Cover and allow to stand overnight.