But as the printer constructed these early slices, the confections quickly collapsed when layers of wetter ingredients were added.Īfter several failed attempts, the tech-savvy bakers decided to add layers of graham cracker paste throughout the slice. The researchers mashed bananas with a fork to create a puree, and they mixed water, butter and graham crackers in a food processor to form the paste.Įarly versions of the cake relied on a lot less graham cracker paste-it only made up about a third of the slice in these recipes. We’re not Michelin chefs.”īlutinger’s team got the ingredients for their cake from a local convenience store in New York City. “I rather enjoyed it, but it’s not a conventional mix. “It definitely tasted like something I hadn’t tried before,” Blutinger tells the Guardian’s Ian Sample, referring to earlier, collapsed attempts at the slice. “And I think that’s a function of the layering inside of the actual structure.” “When you bite into it, you kind of feel the flavors hit you in different waves,” Jonathan Blutinger, a mechanical engineer at Columbia University and first author of the new paper, tells New Scientist’s Jeremy Hsu. Whether or not someone would enjoy this particular slice might depend on their affinity for graham crackers-the graham cracker paste made up more than 70 percent of the dessert. Of course, the success of a cake depends on its taste. The technology built the slice by squeezing each element out of a syringe in thin lines, forming the layered dessert. Their printer-friendly recipe requires seven ingredients-graham cracker paste, peanut butter, strawberry jam, Nutella, banana puree, cherry drizzle and frosting.
Consumers can purchase 3D-printed bicycle frames and chairs, a replica of Thing from “The Addams Family” and even figurines of Dwayne “The Rock” Johnson as an octopus or a lobster.īut now, researchers are pushing the already expansive boundaries of 3D printing into another, more delicious realm: cheesecake.Ī team recently used a 3D printer to make an edible slice of cake, they reported Tuesday in the journal NPJ Science of Food. Scientists have used 3D printers to design a range of useful, attractive or downright strange objects.
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