Substance Diner
103 North Park Avenue, Tucson, AZ 85719
Hours open
Monday:
8:00 AM - 9:00 PM
Tuesday:
8:00 AM - 9:00 PM
Wednesday:
8:00 AM - 9:00 PM
Thursday:
8:00 AM - 9:00 PM
Friday:
8:00 AM - 9:00 PM
Saturday:
11:00 AM - 9:00 PM
Sunday:
11:00 AM - 7:00 PM
Photos
Location & Phone number
103 N Park Ave, Tucson, AZ 85719, United States
About the Business

Substance Diner is a cozy and inviting restaurant located in the heart of Tucson, Arizona. Situated at 103 North Park Avenue, this eatery offers a diverse menu of delicious dishes made from fresh, high-quality ingredients. From hearty breakfast options to savory lunch and dinner selections, Substance Diner has something to satisfy every craving. Whether you're in the mood for a classic American burger, a flavorful salad, or a mouthwatering pasta dish, this restaurant has it all. With friendly service and a warm atmosphere, Substance Diner is the perfect spot to enjoy a satisfying meal with friends and family. Come visit us today and experience the delicious flavors that await you at Substance Diner.
Reviews
"Wish I came here sooner. This place is DELICIOUS. The seitan is cut so thin. It’s super flavorful. The bread on the TLT is perfection. Cesar dressing A++++ Update. Have come back several times. This place is great. Seating at the brewery next door."
"Substance makes the best veggie burger I’ve ever had in my life. I’ve gotten it several times, and it’s consistently perfect and worth the price. I’m also a huge fan of the fries, seasoned or plain."
"This is some of the best vegan food I’ve ever had. Be pretty prepared to spend a little more here ($20 for a burger and fries). I love the substance burger, fries and ranch!"
"If I could give this place 6 stars, I would. I have to preface this by saying I live in Portland, Oregon, which is pretty much the gold standard for vegan food. I am not exaggerating when I say this was hands. down. the. best. vegan. food. I've had, like ever. Between 3 of us, we got the fried chicken sandwich, Philly cheesesteak, and burger. I'm torn between the chicken sandwich and cheesesteak, and I wish we had had enough appetite to try everything on the menu. The fried chicken was PERFECTLY crispy and densely textured, the sauce was ample and delicious, just perfection in a sandwich. And the soy curl based cheesesteak was tender and sloppy, just as it should be. The sauces, quality and quantity of the toppings, rival any 5 star restaurant I've been to anywhere else. AH. MAZ. ING. You might want to bring your own napkins though--the sheer messiness of these sandwiches will bring you to your knees in the best of ways."
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