I read through the reviews here and both the 1-star and 5-star reviews are correct to me. So let's go through the top good things and too bad things.
The good:
The churro flavors are unique and coated in delicious sweet sauces of your choice. I tried the Nutella almond coating and they were pretty generous with the flavoring, I left very satisfied with the churro itself. It was made fresh to order.
The ambiance is pretty cute, they put in effort to make the area feel safe, especially since sometimes the place they post out is in a dark alley behind a warehouse in the middle of nowhere.
The service is good and friendly, I read many reviews saying otherwise so perhaps this isn't true all the time, but it was the one time we went.
The eh:
The wait time complaints did ring true to me, we got there at 9 pm and there was no line in front of us, it still took them about 15 minutes to get us our mini churro and ice cream. However, it's a food truck, this kind of wait time is expected and I did get a fresh and hot churro so it wasn't for nothing. If you want something fast, you probably shouldn't go to a food truck.
The prices also leave something to be desired, $10 for a small ice cream and a 5 inch churro is pretty high. Again, however, I allow that because it's a food truck prices will be higher. I can't find any place near this area that does better churros, so I'm willing to pay the extra once in a while for a better experience.
My girlfriend loved that it's a "speakeasy", meaning you have to join their exclusive instagram club to get "drops" on where they'll be that night. I see many complaints about them not being at a location and suspect this is why. I personally don't like this (I'm lazy), but since my girlfriend does, I call it a wash.
The bad:
The ice cream isn't worth it. If I ever come back here, I'd rather bring my own ice cream, even if I look like a crazy man clutching my tub of breyers sitting around on a street. Their ice cream is either vanilla or cookies and cream, and it's a piddly amount with no toppings. Just skip it, there are plenty of great ice cream places, you're here for the churro. It'll save you a few dollars probably.
The area (at least when we visited) leaves a lot to be desired as I hinted at earlier. It was in a parking lot in a dead business center with fences, the entrance to the parking lot was a narrow alley 2 minutes away from the truck itself. The only reason I was able and willing to find that entrance was because the truck (probably knowing it's hard to find) was posted very visibly against a fence with welcoming fairy lights, so I took a little extra time looking for the entrance. I hope they can find a better location to post up at.
In the end, I may come back only because they do make good churros, but I think it's more because they lack good competition than anything else. Perhaps I haven't looked hard enough for an alternative. read more