Some ways of interacting with a foreign culture are arguably more fun than others, and ethnic restaurants are definitely one of my personal favorites. You can enjoy trying a new cuisine even if you have no intention of ever visiting the country in question. But if you are learning a new language, you really should try to become familiar with the food and drink of the culture. It adds a dimension to your experience that brings depth and texture to your experience. Don't just go once, go several times. And make an effort to find truly authentic establishments. Ask around and find out where local speakers of your language go to enjoy their own cuisine.