Use real menu photography on every item
Items with photos convert at 2-3× the rate of items without. The diner is buying with their eyes, especially on mobile. Stock photos perform worse than amateur phone photos of your actual food because the diner reads stock as inauthentic.
Shoot all 30-60 items in one 2-hour session on a sunny window with an iPhone. Edit for brightness only. Zay-OS includes menu photo guidance and auto-crops for the right aspect ratios on direct site and marketplaces via Otter menu cascade.