We had a early dinner yesterday, the last meal we ate and my 13 yr old son is throwing up this morning, we feel nauseous. The restaurant recommended we cook our burgers at medium rare so that is what we did. We spoke to the manager (blonde hair with a nose ring) about the meat being under cooked and she said that they recommend to cook at 130 even though it’s ground beef. We asked another employee and he said it was 150. No one seemed to know what exact temperature.
Kateryna Trokhymchuk
Great food but terrible service. Not our problem that you’re busy or having a bad day do not take it out on your customers. Servers were all rude, and obnoxious. Ruined our meal.
Atmosphere: 1
Food: 5
Service: 1
Iván Cerino
These burgers are so tiny, I accidentally used the bun as a contact lens case..
These burgers are so tiny, I lost one in my pocket and thought I dropped a Tic Tac..
These burgers are so tiny, I thought the toothpick holding it together was the main course.
🤣 you get plenty of fries tho
Dine Travler
Food was fresh & hit off the grill.
Atmosphere: 5
Food: 5
Service: 5
Recommended dishes: The Blake
Robbie Boyd
Small burger spot with solid meat in the center of old downtown Flagstaff. People with peanut allergies stay clear of the fries!
The burger itself was fresh and had good flavor. Cooked to order, a medium sized patty that's a bit thicker. It's served on a branded English muffin.
They fry their french fries in peanut oil, which is a shame if you have a nut allergy... Because they did look tasty. Could definitely use more allergy signage, as I almost missed the note on the menu.
Small order counter with a handful of tables inside and then a few more outside on the edge of Heritage Square.
Atmosphere: 3
Food: 4
Service: 3
Miranda O'Neill
Seems they recently changed the burger meat, does not taste like the same quality or texture as before. This to be our go to burger place.
Taffie Wellcome
I didn't eat here, but there were a lot of people eating in the patio. I did ask, and the answer was it is good.
Atmosphere: 5
Eugene R. Ehmann
Outstanding burgers! Fresh ground meat cooked exactly as ordered. We had a special diablo burger, as shown, and the goat cheese sauce was mild, unique and flavorful, perfect with the meat. One of us had the chimicurri burger, also excellent. Those fries were salted and peppered, fresh like the meat
Parking: One needs to search a bit for a public lot, 3 minutes or so walking to DB
Kid-friendliness: Families eat there primarily
Atmosphere: 5
Food: 5
Service: 5
Recommended dishes: French Fries, Diablo Burger
tsuki
The hamburger is of course delicious, but I was surprised by how delicious the fries were! The atmosphere is very nice, so if it's sunny, we recommend eating on the terrace. I can't speak English, but all the staff were very kind. thank you very much!
Atmosphere: 5
Food: 5
Service: 5
Maria H
The burgers here are amazing! Using English muffins instead of buns was a genius idea. I don’t usually eat fries, but theirs were exceptional—made with real potatoes! We stopped by for dinner after driving from Phoenix, and while it wasn’t too busy, the indoor seating is small. Thankfully, there’s patio seating, though I can see this spot getting packed during peak times.
A heads-up: it’s a bit challenging to find the place, especially at night, as the signage is tiny. It’s tucked outside a shopping mall, so travelers or those new to the area might have a hard time locating it. Still, it’s worth the effort—highly recommend!
Wheelchair accessibility: Not good with accommodations either
Atmosphere: 1
Food: 1
Service: 1
Recommended dishes: Marilyn
Layna F
It's hard to find place that offers gf and df options in one meal for a reasonable price... And this place does it well!
I highly rated their gf vegan burger.
Atmosphere: 5
Food: 5
Service: 5
Xoxa Hunut
GOOD MORNING, DIABLO BURGER WAS A VERY DELICIOUS BURGER 🍔 I HAVE RECOMMENDED DIABLO BURGER TO A FEW OF MY FRIENDS WHO TRAVEL THROUGH FLAGSTAFF FOR WORK, THEY WILL HAVE A TASTE TREAT WAITING FOR THEM, I WILL RECOMMENDED, THAT WHEN IN FLAGSTAFF, STOPPPPPPP IN AND SEE FOR YOURSELF, ENJOYYYYYYY... BEAR 🐻
Atmosphere: 5
Food: 5
Service: 5
Alicia Rhoades
Found this place on our way back to pheonix from the Grand Canyon and best food we’ve had in Arizona! I wish I could give this place more than 5 stars. Vibey environment excellent kind staff and had a burger on special called the Kentucky waltz that was to die for all of my favorite things dates, bourbon, and goats cheese in one! Also had an excellent root beer. Recommend the curry mayo for fries! This is a must try! Might even drive back to flagstaff to have it more some time!
J Frank (JF1973)
Diablo Burger is a unique culinary gem that redefines the classic burger experience. Nestled in a cozy spot, this eatery serves up mouthwatering burgers on toasted English muffins, providing a delightful twist on the traditional bun. The moment you take your first bite, you’ll appreciate the perfect blend of flavors and textures.
The menu boasts a variety of creative options, featuring gourmet patties made from high-quality meats, including grass-fed beef and plant-based alternatives. Each burger is thoughtfully crafted with fresh, locally sourced toppings and house-made sauces that elevate the flavor profile to new heights.
What sets Diablo Burger apart is its commitment to customization, allowing you to tailor your burger to your liking. Whether you prefer spicy jalapeños, creamy avocado, or tangy pickles, there’s something for everyone. The English muffin serves as a delightful vessel, adding a subtle hint of sweetness and a satisfying crunch.
The casual ambiance and friendly staff make it an ideal spot for a laid-back meal with friends or family. Don’t forget to pair your burger with their delicious fries or a refreshing milkshake for a complete dining experience. Overall, Diablo Burger is a must-visit for burger enthusiasts looking for something truly special.
Atmosphere: 5
Food: 5
Service: 5
Recommended dishes: Monk, French Fries, Diablo Burger, Big Daddy Kane
We had a early dinner yesterday, the last meal we ate and my 13 yr old son is throwing up this morning, we feel nauseous. The restaurant recommended we cook our burgers at medium rare so that is what we did. We spoke to the manager (blonde hair with a nose ring) about the meat being under cooked and she said that they recommend to cook at 130 even though it’s ground beef. We asked another employee and he said it was 150. No one seemed to know what exact temperature.
Great food but terrible service. Not our problem that you’re busy or having a bad day do not take it out on your customers. Servers were all rude, and obnoxious. Ruined our meal.
Atmosphere: 1
Food: 5
Service: 1
These burgers are so tiny, I accidentally used the bun as a contact lens case..
These burgers are so tiny, I lost one in my pocket and thought I dropped a Tic Tac..
These burgers are so tiny, I thought the toothpick holding it together was the main course.
🤣 you get plenty of fries tho
Food was fresh & hit off the grill.
Atmosphere: 5
Food: 5
Service: 5
Recommended dishes: The Blake
Small burger spot with solid meat in the center of old downtown Flagstaff. People with peanut allergies stay clear of the fries!
The burger itself was fresh and had good flavor. Cooked to order, a medium sized patty that's a bit thicker. It's served on a branded English muffin.
They fry their french fries in peanut oil, which is a shame if you have a nut allergy... Because they did look tasty. Could definitely use more allergy signage, as I almost missed the note on the menu.
Small order counter with a handful of tables inside and then a few more outside on the edge of Heritage Square.
Atmosphere: 3
Food: 4
Service: 3
Seems they recently changed the burger meat, does not taste like the same quality or texture as before. This to be our go to burger place.
I didn't eat here, but there were a lot of people eating in the patio. I did ask, and the answer was it is good.
Atmosphere: 5
Outstanding burgers! Fresh ground meat cooked exactly as ordered. We had a special diablo burger, as shown, and the goat cheese sauce was mild, unique and flavorful, perfect with the meat. One of us had the chimicurri burger, also excellent. Those fries were salted and peppered, fresh like the meat
Parking: One needs to search a bit for a public lot, 3 minutes or so walking to DB
Kid-friendliness: Families eat there primarily
Atmosphere: 5
Food: 5
Service: 5
Recommended dishes: French Fries, Diablo Burger
The hamburger is of course delicious, but I was surprised by how delicious the fries were!
The atmosphere is very nice, so if it's sunny, we recommend eating on the terrace.
I can't speak English, but all the staff were very kind.
thank you very much!
Atmosphere: 5
Food: 5
Service: 5
The burgers here are amazing! Using English muffins instead of buns was a genius idea. I don’t usually eat fries, but theirs were exceptional—made with real potatoes! We stopped by for dinner after driving from Phoenix, and while it wasn’t too busy, the indoor seating is small. Thankfully, there’s patio seating, though I can see this spot getting packed during peak times.
A heads-up: it’s a bit challenging to find the place, especially at night, as the signage is tiny. It’s tucked outside a shopping mall, so travelers or those new to the area might have a hard time locating it. Still, it’s worth the effort—highly recommend!
Restaurantji Recommends
Kid-friendliness: Lacks seating
Wheelchair accessibility: Not good with accommodations either
Atmosphere: 1
Food: 1
Service: 1
Recommended dishes: Marilyn
It's hard to find place that offers gf and df options in one meal for a reasonable price... And this place does it well!
I highly rated their gf vegan burger.
Atmosphere: 5
Food: 5
Service: 5
GOOD MORNING, DIABLO BURGER WAS A VERY DELICIOUS BURGER 🍔 I HAVE RECOMMENDED DIABLO BURGER TO A FEW OF MY FRIENDS WHO TRAVEL THROUGH FLAGSTAFF FOR WORK, THEY WILL HAVE A TASTE TREAT WAITING FOR THEM, I WILL RECOMMENDED, THAT WHEN IN FLAGSTAFF, STOPPPPPPP IN AND SEE FOR YOURSELF, ENJOYYYYYYY...
BEAR 🐻
Atmosphere: 5
Food: 5
Service: 5
Found this place on our way back to pheonix from the Grand Canyon and best food we’ve had in Arizona! I wish I could give this place more than 5 stars. Vibey environment excellent kind staff and had a burger on special called the Kentucky waltz that was to die for all of my favorite things dates, bourbon, and goats cheese in one! Also had an excellent root beer. Recommend the curry mayo for fries! This is a must try! Might even drive back to flagstaff to have it more some time!
Diablo Burger is a unique culinary gem that redefines the classic burger experience. Nestled in a cozy spot, this eatery serves up mouthwatering burgers on toasted English muffins, providing a delightful twist on the traditional bun. The moment you take your first bite, you’ll appreciate the perfect blend of flavors and textures.
The menu boasts a variety of creative options, featuring gourmet patties made from high-quality meats, including grass-fed beef and plant-based alternatives. Each burger is thoughtfully crafted with fresh, locally sourced toppings and house-made sauces that elevate the flavor profile to new heights.
What sets Diablo Burger apart is its commitment to customization, allowing you to tailor your burger to your liking. Whether you prefer spicy jalapeños, creamy avocado, or tangy pickles, there’s something for everyone. The English muffin serves as a delightful vessel, adding a subtle hint of sweetness and a satisfying crunch.
The casual ambiance and friendly staff make it an ideal spot for a laid-back meal with friends or family. Don’t forget to pair your burger with their delicious fries or a refreshing milkshake for a complete dining experience. Overall, Diablo Burger is a must-visit for burger enthusiasts looking for something truly special.
Atmosphere: 5
Food: 5
Service: 5
Recommended dishes: Monk, French Fries, Diablo Burger, Big Daddy Kane
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