There was a point where I was considering giving up on Blu Burger. Apparently when they first opened, the place was quite upscale and pricey. My aunt told me that you could get some really high end burgers here but to expect to spend $20-30 per person.
If that is the case, we never went when it was like that. The current menu has been in place for a few years and I'm a fan of that. I will say that the American Kobe (which is a pet peeve. Kobe is from Kobe, Japan! The breed of cow is wagyu. I wish restaurants would call it wagyu!) was good but I didn't find it worth the increased price. The selection of toppings is great but some of the upgrades do cost extra. I personally wish caramelized didn't cost extra but that's not a huge deal. The fries and onion rings are both great. The sweet potato fries are not bad. For a while all of these sides were pretty bad. Everything tasted mushy. I have not tried the fried zucchini since the last time I ordered it. But that was back when I was thinking this place had gone downhill.
My last 2 visits were far better. I'm not a fan of the 50s decor but the food has gotten back to the point I remember when we first started going. My favorite burger is med rare. I like goat cheese, lettuce, caramelized onions, and whatever aioli strikes my fancy that day.