For Mexican food in the Phoenix area, this restaurant is our first choice. We have visited the Abuelo's near Arrowhead Center many times. It usually is quite busy any day of the week, but expect long waits an Friday and Saturdays. The chips and salsa they serve are best of all with thin,crispy chips and 3 kinds of salsa. My wife and I will usually order the "skinny" margaritas which have less sweetness than the regular margaritas. I have tried multiple entrees and have never been disappointed. I especially like the tilapia. Service is usually quick, even on busy nights. Food is of good quality, prepared well, and nicely plated. Prices may be a little higher than other Mexican restaurants, but well worth it for the food and ambiance.