American
Delivery
Take-out
Breakfast
Food trailer, fully vegan since 2021. Menu includes items like breakfast sandwich with tofu scramble, pancakes, waffles with coconut whipped cream or side of fried seitan, vegan burger, fishless tuna melt sandwich, cashew cow ice cream, and almond milk shakes. Parked here as of Jun 2021 - see website for other locations. Open Mon-Fri 4:00pm-8:00pm, Sat-Sun 11:00am-8:00pm.
16 Reviews
First Review by AstynQuander
SueCz
Points +24
Best Vegan Diner Food in Tucson - Edit
Substance has great sandwiches, we really love the Philly style mushroom cheese steak sandwich, and the spicy chick'n. Their Sonoran dog is hands down the best in town with all the best add-ons. They also have desserts and drinks. Use the Food Truck app for pickup, or delivery through DoorDash.
Read morePros: Sonoran dog is the best, Really good 100% vegan food made to order, Central location next to Screwbean Brewery
Cons: Wish they had seating!
Guest
mandamanda
Points +763
Good but a little fatty - Edit
Had the kale Caesar salad with grilled seitan and the hot dog. The salad was good, especially the sauce. The fried croutons on the salad however were very fatty which was sad. The hot dog was also good and she even gave us fries for free! Would come back!
Read moreGuest
ChrisVegan
Points +41
Great Hidden Gem! - Edit
The food truck is small and hidden in an alley near the side of a building, so I almost couldn’t find it, but I’m glad I did.
Read moreI had the Mushroom Philly Cheezesteak Sandwich and the Sonoran hot dog, and both were delicious! The vanilla shake was also tasty.
It’s definitely a must-stop for vegans in Tucson!
I recommend that you get the food to go. There are only two small stools for seating, and they only seem to be for show.
Guest
Paigecs
Points +621
One great sandwich - Edit
The guy in front of me in line had come back to rave about his sandwich, the TLT, so I said I’ll have what he’s having.
Read moreHe wasn’t wrong!
Ginormous proportions: bring your appetite.
Guest
julietteverley
Points +62
A go to - Edit
Absolutely love the cheese steak I probably get it once a week for a work day lunch treat. Wait can be long around dinner time but they are SPEEDY for my work day lunch orders
Read moreGuest
LeahDardis
Points +402
Full of flavor - Edit
So much flavor!!! Fried pickles, spicy fricken things, and a vegan Sonoran dog makes a great meal. Located at Motosonora Brewery and they pair well with the beers.
Read moreGuest
AlexBerian
Points +59
Ducking incredible - Edit
The roast peace and the Philly "cheesesteak" are literally the best sandwiches I've had in my life.
Read morePros: Dang, Good, Sandwiches
Guest
ahimsa4ever
Points +237
So GOOD - Edit
Affordable and DELICIOUS. It is one of my favorite vegan spots in Tucson. ALL items on the menu are vegan. Yummy “chicken” sandwich, fried pickles, perfect fries, amazing salad-try it all, it’s all so good. Camper diner is parked at MotoSonora Brewery (dog friendly beer garden) that often has live music and very vibrant atmosphere. Love it when buinesses support each other.
Read moreGuest
kso369
Points +61
So good!!! - Edit
Everything we have tried has been really really good. We’re working our way thru the menu. My favorite is the TLT & fried pickles.
Read moreGuest
Monsoon74
Points +54
Dope foods - Edit
I have enjoyed everything I’ve ordered. Always 3rd party delivery which I know they can charge restaurants high fees so I feel bad. But also I’m lazy and it’s far.
Read morePros: Sonoran dog , Banana split , Spicy nugs
Guest
cjoutside
Points +133
Awesome Chicken Sandwich - Edit
Nicely seasoned. Even my non vegan husband has been fondly remembering the sandwich days after we ate it.
Read moreGuest
vivelaviv
Points +44
Delicious! - Edit
I had the Caesar salad with the tofu bacon (which is insanely good) and the spicy "chicken" sando. The Caesar salad was one of the best Caesar salads I've ever had, vegan or not! The sando was perfect, soft bun, super crispy chicken, perfect level of spice.
Read moreI'll be coming back here often!
Pros: Lots of vegan options, Delicious, Fast
Guest
Solarisparc
Points +52
Good vegan food truck - Edit
Nice little food truck catering to vegans.
Read morePros: All vegan, Sandwiches are amazing, Friendly staff
Cons: A little on the expensive size, Not a fan of the milk shake
Guest
savsmalls
Points +717
yum - Edit
cure food truck!!came here because cashew cow was closed for a shake and got a strawberry malt! i think a shake with that flavor wouldve been better but it was still really good, very thick. i also got a side of their cajun fries that were good, a little spicy but so filling since they were steak fries. small size i couldnt even finish. their homemade ranch was good too. love the aesthetic of this place, my food took 20 mins since there was only one guy working on a wednesday night so be patient! no outdoor seating
Read morePros: cashew cows homemade ice cream!!, very sweet worker, lots of optionss
Cons: no seating
Guest
LeahMueller
Points +99
Delicious and Hip! - Edit
This place rocks! Lots of great vegan options, including milkshakes and pie. Great prices, and a cool room to sit in while dining.
Read morePros: Lots of vegan options
Guest
AstynQuander
Points +35
Love this place!!! - Edit
Substance is amazing and caters to the vegan community in town. The substance burger is my favorite and is vegan by default. The burger sauce is awesome! I’ve also had the spicy frickin sandwhich and strawberry shake. Both were awesome!
Read morePros: Yummy food, Mainly vegan menu, Cute location
Cons: Can get pricy
Guest
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