R.F. O'Sullivan's 
Somerville MA 02143
Listed in: Sports Bar, Burger
Neighborhood: Somerville
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R.F. O'Sullivan's has been nominated because it specializes in serving up a large selection of burgers in front of more than four large televisions. The menu boasts more than twenty-five different kinds of burgers and sides include thick cut steak fries and large onion rings. The restaurant has won Boston Magazine's Best of Boston award and has received high marks from the Phantom Gourmet.
We are competing in
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Who makes the juiciest burgers?
(created by L.Sizzle on November 9, 2007)
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Where's the beef? Who has the biggest burger in Boston?
(created by jsadowski on November 26, 2007)
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(created by kahillyerjr on June 20, 2008)
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Reviews
Hands down the best burger in Boston, tried them all...RFs is the best.
I am a burger fanatic and I have found O'sullivan's to be the best ever!!!!
I spent the first day of the new year there with the best burger I've ever had! YUM!
Burgers are juicy and delicious. Big selection, too. Order the onion rings instead of the fries. Friendly waitstaff/bartenders. Cozy, casual atmosphere.
The Black & Blue (bleu cheese and cracked pepper) is simply amazing!
Awesome burgers
The very best cheeseburger I have ever tasted. I have taken many of my family and friends from all over the country and we are all in agreement. The variety offered is wonderful!!!!
Great burgers, and a great pint poured in a cozy Irish pub! The best of both worlds!
Best place for a Burger and Beer in Boston.
I have been all over Boston in search of the perfect burger and I have to say that R.F. O'Sullivan's fits the bill. Burgers are cooked to PERFECTION and have all the best toppings (my personal favorite is the "black and blue" - crushed black pepper crust with blue cheese - yum!) Fries are huge, more like fried potato slices and the bun is buttered and grilled (as it should be!)
Probably the tallest burgers I've ever eaten - very delish!
Best boston burger
I will be bummed if O'Sullivan's wins this competition for a purely selfish reason: It already is so hard to get a spot in this place thanks to every damn awesome burger on the menu, but they truly deserve to win this.
Thickest and Juiciest! What else matters?
I have recently become a vegetarian and the one meaty delight I actually dream about is a burger from R.F. O'Sullivans.
Personally, I think they have the best burger(s) in Boston. Period. It's well worth the wait during their peak times.