Restaurant recommendations?

A dad and two sons (18 & 13) coming to Rapid City area next week for about a week.

Looking for restaurants for lunches and dinners. Preferably delicious, but not expensive or too fancy.

Bonus points for tacos!

** You’ve given me so many good options. Thank you all so much. I think we’re probably leaning Thai Thai tonight, but we have days left so I need to correlate the votes to see what is the most popular with ya’ll.**