Relating to the average patient's meal, which foods and how would the portion size be modified in order to meet Dietary Guidelines.
EDIT: In other words, what to think about when designing vegan meals in hospitals?
I've found 2019 Canada's Dietary Guidelines - full version for professionals (easy to read, references to scientific evidence).
Recommended intakes for macronutrients in a 2,000 Calorie/day diet: (RDA = Recommended Dietary Allowance is the amount that should be sufficient for most adults ; AMDR = Acceptable Macronutrient Distribution Range (in % of total energy intake); links to vegan foods included:
Recommended intakes for micronutrients:
An "average meal" in a hospital can refer to a healthy meal intended for an omnivore person with no special dietary needs. Vegan meals in hospitals, which do not contain meat, fish, eggs and milk, should contain enough iron and protein from plant sources.
Foods high in protein but also in fat include most nuts and seeds.
Maybe the most appropriate beverages are those that are low in sugar: plain or mineral water, vegetable juices, tea.
Vegan patients who stay in a hospital for several months may also benefit from vitamin D and B12 supplements.
When designing vegan meals in hospitals, one can use the info from USDA Food Composition Database, linked above.