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Backslash Burger

4.5 (88 reviews)
Open • 11:00 am - 10:00 pm
Updated 1 week ago

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What's the vibe?
Outdoor seating
Dogs allowed

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Mike M.

Touch screen service. Connected to a brewery which is awesome. Parking was simple. Had the double spicy smash burger with poblano cream cheese which was the start...texturally creamy without the sweetness of say a peanut butter on a burger. The ghost pepper chicken was awesome for heat. Chicken a bit basic but next time I'd just not upcharge for the chicken and stick with the amazing smash patties with the ghost pepper profile

Christine H.

We were in the area looking for food and the 1/2 beef, 1/2 BACON is what got us! It's sort've connected to a brewery, but there is plenty of seating to dine in. Everyone ordered a different burger and all were made to order. We also ordered a side of the old bay fries and sweet potato fries. The burgers were tasty and juicy. I would recommend them. The old bay fries were a bit on the salty/spicy side...had way too much seasoning on them. Overall, good burger joint.

Menu
Correy E.

Nice little hidden gem! The place was a little hard to find but I was looking for a stand alone restaurant with a big sign out front. It is attached to a brewery with a side entrance. The staff were friendly all the way around, inside the taproom and restaurant. I liked my burger but my kiddos didn't. Overall I will come back and try some of the other burgers on the menu. Also I need to check the taproom next time. I definitely recommend this place if you're a burger person.

Kids Burger
Jennifer R.

We stopped at Fifty Fifty for lunch today. The food was fresh, delicious, and made from good quality ingredients. I ordered the Fifty Fifty lunch special for $10. This included the original Fifty Fifty burger with fries. We placed our orders through the kiosks, so no human to place an order through. But the food was made to order and we received our orders pretty quickly. The ambiance is very casual. It's colocated with Olde Mother Brewery next door. Theres lots of indoor seating and some outdoor seating. It's fairly easy to get to with street parking. I definitely would recommend coming here for a great local burger experience.

Shows how hot it is!
Er T.

I CANT FEEL MY FACE! This burger is extremely hot! I have eaten 1.5 SHU wings and have yet to find something spicy to match it. This burger goes above and beyond! Hitting at 2.5-3.0 SHU! It is HOT Such a great burger! Must give this a try. Girlfriend got food and her burger was GREAT!

Olde Mother Brewery
Kevin S.

Stopped by for lunch. These are some of the best burgers around. The blend of 50% beef and 50% bacon make for great flavor and crust . This is my third visit. The first 2 times I got the Oklahoma Animal. Double patty, sauteed onions and their Oklahoma sauce. This time I went a little rogue. I got their PBPB&BB 2 spiced patties, crunchy peanut butter and pickles. So weird but for some reason it worked. I paired it with a chocolate peanut butter porter from Olde Mother Brewery which is attached. Service is always fast and friendly. We usually sit on the brewery side.

Desiree B.

Burger was half bacon half ground beef unique flavor not bad. They drowned our burgers in the sauces that came on them while I'm glad it was plentiful it was a bit excessive and caused the bread to be really soggy. Everything was fresh and made to order. It's a great vibe for sure and relaxed. I definitely would go back for their events like trivia night etc. Service was nice as well. The bartender was cool and made our drinks really strong and flavorful.

Amy S.

Cute and fun little place. Actually, it's not so little. It is attached to the Olde Mother Brewing. There is also a small outdoor section. You have to place an order at the kiosks which is not my favorite thing to do. I would prefer human interaction. We ordered old bay fries which was a little too salty. The onion rings (extra crispy) were delicious. I liked my burger with all the toppings while my friend thought his burger was a little too salty. Maybe all the toppings I had cut the saltiness. It was overall a fun adventure.

Interior Dining
John P.

We were in Frederick for Mother's Day and thought we would try this place for a good burger. All I can say is unbelievable ! . The best burgers we've had in years and we've been all over the country even in Texas. My wife had the BACKLASH burger and I had the OGRE. The self-serve monitors were user-friendly, and it was very easy to order. The service was very fast too. The ambience of the restaurant is a little odd with all the walls painted black and it is in the back of a local pub brewery. Regardless, we didn't care because the burgers here are simply fantastic. Not to mention the french fries were great too. We will definitely go here again when we are in Frederick.

Bag of Spicy Old Bay Fries
TC V.

Burger was really good other than it was cold. I had my phone on table and did not know they would notify by text since they took my name. Food sat on there front counter for 11 minutes without me knowing it was ready. I went to check on meal and it was sitting there in a bag with my name on it. Burger was good just cold since it say there for so long. The fries were good to other than they sat there for 11 minutes. What's sad is I gave them an $8 dollar tip in advance hoping to get good service. Instead it was the opposite. A local came in after me and they greeted him and even joked with him. We did not get a hi or anything when we came to the front counter. Just wish we had a better experience.

Fifty/fifty build your own: Mayo, 50/50 Sauce, Lettuce, Caramelized Onion, Cherry Peppers
Matt B.

Great place. This place is split with half bar/half restaurant with seatings for a variety of group sizes. The staff are quick and always on the move. I got my food in a relatively quick time. I ordered on their ipad but they also had a counter where you can order face-to-face. I got two burgers and fries for takeout, the ogre and a make your own. Both were really good and full of flavor. The Fries were seasoned well. The prices were a little high but the size and flavor made up for it. It was messy to eat it but all in all I would recommend and would get it again

French Fries
Pilar C.

As we walked in, we noticed the really cool ambiance, with a laid back, street vibe. The kind of place to come with friends, but was great for our family to have lunch too. We ordered a Peter Piper, it was delicious (my favorite of everything we ordered)! The pickled cherry peppers were spicy, but not too much so it gave it the perfect kick to go with the sweetness of the bourbon molasses. My son had the Ogre burger which was HUGe, but he said was really good. We also had an Old Fashioned, which was really juicy and flavorful and a kids menu which included fries, a juice box, the burger and a burger gummy. It was so large and customizable. My daughter loved it. Regarding service, we ordered everything through the kiosk, so we didn't actually deal with people, but everything was quick, smooth. The sweet potato fries with blueberry sauce were delish and the regular fries had a lot and delicious seasoning. We fully recommend this place!

Vee R.

We visited for Father's Day lunch! Wait time was a little bit longer because the restaurant was Pat. We all three build our own burgers. I added onion ring in mine, and my husband ordered his with baking. The smash burgers are the best in town and the fries are delicious with obey seasoning. We highly recommend this place.

Peter Piper w/ Bacon

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9 months ago

These are the best burgers in Frederick. Nothing else needs to be said, except: Eat here!

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10 months ago

These burgers are truly hard to beat. They are the perfect size and the fries are amazing as well. We will definitely be back!!

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I stopped by Beef 'n Buns 'n Paradise today for a late lunch when I was passing through Frederick…read more It's a charming old-school, retro burger shop. You order inside at the counter and then they call your name on the loud speaker when it's ready for pickup at the drive thru or the counter (depending on whether you ordered it to go or not). I had a cheeseburger with tomato, onion, pickles, ketchup, mustard, and mayo, and a side of fries. The burger was classic and totally delicious. The fries were very good, too. I ate my lunch at one of the picnic tables on the property, which was comfortable and fun (but they don't have bathrooms FYI). The service was friendly, and the place has tons of retro charm. I'd definitely go back for another meal - maybe a milkshake or other dessert with my burger next time? A fun, fast, casual meal. A charmer in Frederick, just off 70.

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A really cool spot! It's like a cozy dive bar. It's clean and slightly underground (literally, you…read morehave to go down stairs from the main straight to enter). It was packed when we arrived around 8pm to try their burgers. I got the cheeseburger and it was delicious! You really can't go wrong. I enjoyed every bite. The chips that came on the side were baked and they were great too. A solid good burger!

You get exactly what you think you're getting from a basement dive bar on a main street: cheap…read moreeats, rowdy atmosphere, and some great stories to tell. Driving through the area late at night, we stumbled across Wag's with a craving for burgers. Though we weren't there to drink since we had a drive ahead of us, we loved watching the other patrons enjoying the bar scene. With daily specials and a great basement vibe, I can see why people love Wags. As for the food: the burger was just alright - but what can you expect when your meal is less than $10 per person? It honestly was perfect for the price point. The Wag Burger claimed to have a special sauce but we didn't taste it, which was fine because the burger was juicy, greasy, and hit the spot. The Philly cheese steak had a bit more flavor than the burger and was also a solid choice. Fries are fresh and made in-house, and I appreciated that you can salt them yourself and decide what toppings you might want to add. The menu is honestly huge for a dive bar, and all the food was solid. Shoutout to the staff here because after hearing how some drunk customers were treating them, they deserve all the tips in the world. Despite the staff being berated, dealing with intoxicated patrons threatening to run around nude, all while waiting tables with ease and kindness - you all deserve raises.

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White Rabbit Gastropub
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Backslash Burger - burgers - Updated November 2026

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