This is the 10246th most frequent Russian word.
блюдам
The Russian word "блюдам" is the dative plural form of "блюдо," meaning "dishes" or "meals."
In this sentence, 'блюдами' is used to describe the plural instrumental case of 'блюдо', implying the dishes being a feature or characteristic of the restaurant.
Этот ресторан славится своими национальными блюдами.
This restaurant is famous for its national dishes.
In this context, 'блюдами' is used again in the plural instrumental case, specifying the items provided for the guests.
Мы угощали гостей разными вкусными блюдами.
We treated the guests to various delicious dishes.
Here, 'блюд' is in the plural genitive case, used to show possession or association with the recipes.