1 can condensed milk
1 can evaporated milk
8 (6 oz.) c. coffee, brewed double strength 1/2 oz. of coffee per 6 oz. water)
4 tbsp. granulated sugar
1/4 tsp. cinnamon
1/8 tsp. salt

Brew coffee. Add sugar, salt, and cinnamon. Mix in the milks. Refrigerate for a few hours or overnight. Serve over crushed ice.