This coffee pod is the first to leave no waste—and it looks like a chocolate truffle

Meet the food technologist behind CoffeeB—who composted the spheres right in her garden.

“When I held it in my hand, I said, ‘This is it.’ It just felt right. It felt magical,” Caroline Siefarth says of CoffeeB, the truffle-like matte brown sphere she spent five years developing after Swiss food and beverage company Delica tasked her with creating the seemingly impossible: a new coffee capsule with virtually no capsule at all, the first in the world that would leave no waste. At first, she says, “it felt like a mission to Mars because it was so completely new.”

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