Offer a small recipe calculator where a cook enters ingredient amounts and nutrition values, sets the finished batch yield in a chosen unit, and records portions in that same unit. Saved recipes should allow ingredient edits and show nutrition per portion. Start with manual entry and reusable recipes so the first version does not depend on another tracker’s access.

Recent reviews across VeSync, Lose It!, and MyFitnessPal show this workflow remains awkward in several established products. They establish a specific unmet task, though they do not establish willingness to pay.