Columbia University scientists three-dimensionally (3D)-printed a slice of seven-ingredient peanut butter-banana cheesecake with a cherry drizzle.The researchers converted the ingredients into a paste, then fed it into the 3D printer for layered deposition into the shape of the cake slice.They found the print's structure was similar to that of a house, with "floors, walls, and ceilings being the foundation (graham cracker) and inner pools (Nutella and peanut butter) holding softer ingredients within (banana and jelly)."
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