Vegetarians will learn to prepare vegetarian alternatives dishes when practicing the Cooking skill. Originally, only vegetarians can prepare vegetarian dishes from the fridge. With Showtime, Sims can learn vegetarian dishes from learning the other recipes.
Vegetarians can complain about meat.
Other Sims can applaud vegetarianism towards vegetarians as a friendly interaction. They can also mock vegetarianism as a mean interaction.
A household with at least a member with Vegetarian trait can prepare vegetarian cuisine.
Vegetarian vampires must consume plasma fruit or plasma juice from the fridge. Drinking from other Sims will make them nauseous.
Vegetarians won't have problems eating produce such as eggs and cheese.
Simmunitylifetime reward makes vegetarians immune from being sick by eating meat. Vegetarians will still get the "Disgusted" moodlet however.
Here's the list of vegetarian alternative dishes which are fine for vegetarians to eat:
Cheese tofu steak
Chili con carne
Vegetarian dim sum
Fish and chips
Vegetarian fish and chips
Vegetarian grilled salmon
Vegetarian lobster thermidor
Spaghetti with veggie sauce
Tri-tip tofu steak
Most foods are consumable by vegetarians. Only certain food containing meat may cause vegetarians to be nauseous. Below is the list of meat-contained products, other than the ones with alternative dishes.