I'm going to take a wild guess and say.. Its not making him "cum more." Just try making him cum longer. From my knowledge, there is no way to prove that any foods help that. It depends on the guy. But there are smells that can help increase blood flow to his penis and to make him harder/last longer such as lavender, liquorish, donuts, chocolate, and pumpkin pie.
Don't ejaculate
It depends on what the man has been eating. Certain foods can flavor bodily fluids like pre-ejaculate and semen. The normal taste is a sort of spicy musky taste, however.
eat tomatos
How about not eating starchy foods or just drinking more water instead.
Have more testosterone. Usually you do this by exercising (lifting weights), and whole foods (protein).
its the same as all other foods. spanish foods have more combinations in them. but its the same .
To cook food and/or make it more moist.
Try Zinc tablets
Eat, ejaculate, end, empty, emerge, employ. more... Eviscerate, evacuate, evolve, emancipate
Prostate.
spring rolls aromatic duck rice and more
All foods make you gain weight, but some do more than others. Like foods with a lot of fat, calories, and sugar.