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    Sid's Diner

    4.4 (361 reviews)
    Open 7:00 am - 8:00 pm
    Updated 3 weeks ago

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    SID'S DINER ATMOSPHERE

    What's the vibe?
    Divey
    Casual
    Moderate noise
    Dogs allowed

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    Recommended Reviews - Sid's Diner

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    Brian F.

    Famous and iconic and let me tell you, well worth the visit. Sid's has been in multiple shows on the Food Network. Been around for 50 years or more. Burgers are fresh and made to order. They are famous for their onion burgers but you won't be disappointed with the chili cheese coney either. They have fresh cut fries and onion rings that are delicious. You might want to get a little froggy and hit them at breakfast. The staff is super friendly. When you drive through El Reno, you get a very nostalgic vibe, that vibe is only enhanced when you walk in to Sid's. With pictures of veterans and celebrities all over the walls, you get a very Americana feel. Do yourself a favor and make the drive El Reno. You won't regret it.

    Fries and onion rings
    Torri H.

    Sid's is the definition of a nostalgia meal. They have an old fashion greasy diner style burger which I love, but you have to have these types of meals in moderation... or at least you should! Everything came out piping hot and the portions were generous (except for the onion rings, they should include more in an order). You can easily why Sid's is a local staple in the El Reno community.

    Rich B.

    In our continuing quest to find the best breakfast place on our x-country trip, Sid's just might be "the one". Reminiscent of past trips w Unabelly. Sid's is on the smallish side, but packs a big punch. Adam is the short order cook/owner. His grandfather was Sid. My best friend, Orange Slice, and I both ordered Sid's special. Two eggs, hash browns. Choice of meat (we both ordered ham), and toast or pancake. Angelica, our server, was efficient effective, affable. Large portions, the ham tasted sugar-cured, OS's pancake was gone in three forkfuls. Coffer was $1,50 so they lost money on OS. Decor really cool. Very old pics of vets on the wall. Nice music playing. If Yelp allowed for more than 5 stars, Sid's would qualify.

    1 order of French Fries and a Peanut Butter Shake sitting behind it :)
    Dave A.

    FAMILY'S "GO TO" for THEE OKLAHOMA ONION BURGER!!! I mentioned to our family from Mustang, OK if they knew a good place to hit, to wow us with the famous Onion Burger of Oklahoma. I mentioned a few places, however, all my brother in law had to say was, "I gatchu Dave." Spoken confidently with a wink and a smile... well, ain't gonna argue with that lol. So, off we went to El Reno, OK. Not to Oklahoma City mind you, cuz nobody there knows how to do it right in the big city! Nope! El Reno, sight of the Oklahoma Land Run of 1889, is also the spot for THEE best Oklahoma Onion Burger. There's a few grills to choose from in this town, but we planted our butts at Sid's Diner! Street parking is plentiful however the diner itself is TINY and the place is packed already at 10:30am Saturday morning. That whiff of grilled onions when you open that diner door though... INTOXICATING! Gets the rumbly tummy activated! Luckily, there is an annex with big tables, air conditioning and an order screen, which made it very convenient for our party of 8 to sit together. Okay... let's EAT! KING DOUBLE: Now THIS was truly A BIG BOY!!! A whole pound of meat with caramelized onions, undistracted by cheese, lettuce or tomatoes (which you can add, if you so choose). Just a little drizzle of mustard and ketchup. I tell you what... this was a handful, a mouthful, and an absolute pleasure to devour! This grease bomb was so flavorful with the smashed patty charred to perfection and grilled onions galore spilling over. I loved every bite of that monstrosity and I'd do it AGAIN in a heartbeat! CONEY DOG: Compared to the King Double, this was pretty timid. Definitely for smaller appetites. Just a regular sized hot dog waiting for you underneath the chili. Not chintzy with chili though which was very tasty. I did like the relish drizzle on top, it added a nice sweetness to it. FRITO CHILI PIE: I ENJOYED this with my King Double! Comes as Chili smothering a heap of crunchy Fritos and then you add the shredded cheese and diced onions to your liking. Me? I dumped it all in and in hindsight shoulda asked for more cheese, cuz I love me some cheese pull! The crunchy texture of the Fritos complimented the tastiness of the King quite well! Yummers :) TATER TOTS: Perfectly prepared tots! Crunchy outside, yet perfectly flaky within. However when compared to the size of the fries order, this was not Oklahoma Big. Did it spill out before it made it in to the bag??? Guess we'll have to come back to compare lol FRENCH FRIES: One order... Huge! Not crispy like McDonald's but that's okay with me. This had more flavor and can easily be shared between 2 people. It still tasted good as it cooled down too. PEANUT BUTTER SHAKE: I asked for extra peanut butter and I sure got it. It was a flavor explosion with every mouthful! And it was thick enough that the straws provided would collapse if you sucked too hard. The cups for the shake were tall so definitely an ample serving to enjoy the whole meal! VERY EASY RECOMMENDATION! Nom Nom Level is HIGH! We will absolutely ask for a return visit to Sid's when we come back to Oklahoma! This stuff was... GUUUUUD!!!

    1/2 Burger w/everything
    Terry B.

    What a fantastic place to grab an iconic Onion Burger. I can't believe that I have lived in Oklahoma for 25 years and I am just now finally getting to taste the Original Oklahoma Onion Burger!!! All I can say is don't wait this is a must try place to eat. One thing I did find out is that you can actually make a reservation!! I would definitely do that! Instead as you enter the restaurant you will notice the seating is limited on the inside. There is a covered seating area/pavilion which you can also place your order from! We are provided with a pager to let us know we're next in line. Our wait was probably 5 minutes so not long. While waiting we had an opportunity to review the menu. Our server was Abby and she was great and very easy to talk too! It was easy for me, I chose the 1/2 lb onion burger with everything on it. Onion rings as the side were fantastic. Thick & crispy!! I decided I wanted to try their shakes so I asked if they had a Banana & Cherry which I've never had. A great combo!! My wife chose the Steak & Shake along with fries. She got the chocolate shake - another good selection! One note to mention if you like your fries crispy do not order them crispy. Get them cooked like the normally come and they will be perfect! Overall highly recommend to put this in your must places to try!

    Onion Rings
    Carlos S.

    It's a small place but the food is big! Big portions, huge flavor. Ordered the onion rings and the regular double with the fried onions in the burger patty. Service was quick and efficient. There's plenty of parking on the street. If they're packed, remember I said it's a small place, there's an adjacent room for overflow. Oh, and it's on historic Route 66. Memorable.

    Our onion burgers topped with lettuce and tomatoes with pickles on the side
    Elizabeth K.

    Our Thursday after game dinner was amazing. Stopped by Sid's diner in El Reno for some burgers and onion rings. The place was packed but we managed to find 2 seats at the bar. The cook, Marty was on it with about 30 burgers on the grill at once He was slapping those sucker's up in record time. You could here the sizzle of the beef and inuons and the smell wafting in the air. It was a sight to behold. The onion rings are absolutely amazing too. A big basket of crunchy hot goodness. And when those burgers were finally placed in front of us,piping hot--- we just dove in. It was quite the delicious treat. Thestaff is attentive, friendly and fast. The food is top notch for a little diner and worth the drive no matter where you are driving from in Oklahoma and beyond. I give it a ten=ten..

    Original double meat with lettuce & tomato

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    Adam H.

    Thank you so much for the 5 star rating we're glad you enjoyed it.

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    10 years ago

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    Adam H.

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    7 years ago

    favorite place to get a bacon cheese burger and some chili cheese tator tots. never disappoints

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    10 years ago

    Thier is a reason why Adam Rich picked Sid's over the other onion burger joints in El Reno!!!

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    Adam H.

    Thanks Beatrice for the Compliment were glad you enjoyed.

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    14 years ago

    perfect little burger joint. milkshakes, good stuff. this is the real deal!

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    Adam H.

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    10 years ago

    That was the best burger I have ever had. The fried onions, the meat and the bun. They just work!

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    11 years ago

    We drive from Yukon to eat here! The best burger around and the best slaw for hotdogs! Yum Yum

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    Ask the Community - Sid's Diner

    Will they serve burgers during breakfast hours?

    According to their website they serve a hamburger steak and a chicken fried steak. So, a modified hamburger with a breakfast twist.

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    Sid's Diner - diners - Updated September 2026

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