Buy Horchata Rice Flavour Concentrate Mix 700ml at Grocery Store for Authentic Mexican food & Chillies - Horchata is a rice based drink or Rice Milk and is a popular flavour throughout Mexico Mix it with Mezcal makes a great cocktail! Concentrated Mexican Horchata drink with rice, cinnamon and sugar. A 700ml bottle of concentrate makes about 6 times of your favorite flavor. (pronounced or-CHAT-ah). just mix 1 portion of concentrate with 5 of water and ready to enjoy it! MEXICAN HORCHATA The Horchata drink is said to be very helpful for stomach aches, hangovers and when you are sick.