David and Jennifer House became smitten by the quality of the coffee they had on a vacation in Australia, and the different methods of making it, so they brought that curiosity back and founded Flat Black Coffee.
Unlimited access to BostonGlobe.com for only 99 cents for the first 4 weeks.Sign up
Are you a home delivery subscriber?
Get FREE access as part of your print subscriptionStart Here
Contact us for help