I tried Flip Side for the first time with my dad last week. I have to say it served one of the best veggie burgers I've ever had, and I'm pretty particular about my veggie burgers.
There was a sunflower festival going on outside, so I was expecting to have to wait a while before being seated. Luckily to my surprise, we were seated right away. Our waitress was super friendly and willing to answer any questions I had. I ordered a blueberry pie shake that had real pieces of blueberries in it with pie crust and vanilla ice cream. It was probably one of the best milkshakes I've ever had! I also ordered the inverted veggie burger on a brioche bun and added cheddar cheese. Just writing this review is making my mouth water because this sandwich was that good, honestly! It ended up being super big, so I recommend coming here on an empty stomach. I also ordered a side of aioli fries because the sandwich didn't come with a side.
I'm giving Flip Side four stars because the sandwich didn't come with the fries, which I feel like is pretty standard in most burger joints, and because a different waiter brought out my food and ended up spilling the aioli sauce all over my plate and burger and he didn't apologize. Thankfully, my actual waitress saw what happened and brought me over a different plate, which I thought was really nice.
I can see why this restaurant has multiple locations because it was popping inside and outside! I absolutely loved Flip Side, and know that my dad has already been back with my mom.