What is tara flour? And how did it make hundreds of people sick? — This is an extract from The Rotten Apple, a weekly newsletter for food professionals, policy-makers and purveyors. Subscribe for weekly insights, latest news and emerging trends in food safety, food authenticity and sustainable supply chains. 🍏 Discover The Rotten Apple 🍏 Daily Harvest, the direct-to-consumer food company whose consumers were…