exotic is an adjective for fruit, indicating that all of the fruits in the recipe are from tropical regions, for example mango, passion fruit, grated coconut, etc.
in the definition given for exotic: from or in another country, especially a tropical one, it also refers to the fact that they are from tropical regions. to make sure you can search all of the fruits included in the recipe.
we also have ایستک استوایی or دلستر ایستک اسستوایی again made from tropical or exotic fruits. in short it's a kind of salad made from tropical fruits. so it can be translated as سالاد میوه (های) استوایی.