This is the 14130th most frequent Spanish word.
tiramisu
Tiramisu: Italian dessert made of layered coffee-soaked ladyfingers, mascarpone cheese, and cocoa.
In this context, 'tiramisú' refers to the dessert item itself, used as a direct object in the question.
¿Has probado el tiramisú en ese restaurante?
Have you tried the tiramisu at that restaurant?
Here, 'tiramisú' serves as the subject of the sentence, indicating what is being described as delicious.
El tiramisú que preparó mi amiga está delicioso.
The tiramisu my friend made is delicious.
In this sentence, 'tiramisú' acts as part of the objective phrase in which it refers to the dish being discussed within the context of learning a recipe.