(TrendHunter.com) If you're looking for a cool and creamy treat to beat the summer heat, Del Taco has you covered with its new Oreo Cookie Horchata Shake and Mexican Chocolate Shake. This summer, Del Taco has... (TrendHunter.com) If you're looking for a cool and creamy treat to beat the summer heat, Del Taco has you covered with its new Oreo Cookie Horchata Shake and Mexican Chocolate Shake. This summer, Del Taco has...