Combine ground coffee with spices such as paprika, garlic powder, and a bit of brown sugar for a sweet and savory rub.

As a food scientist, Reza Ovissipour knows that one industry’s waste can be another’s solution to feeding a growing population.

He also admitted that the price of coffee grains globally over the past four years has allowed local growers to overcome the economic problems they had been dragging for years. That effect ...