Are One Fattened Calf’s Burgers Worth The Hype After Five Years? Here’s Our Review

One Fattened Calf has popular beef burgers at One-north

If you love a good burger as much as we do, you’ve probably heard of One Fattened Calf. When the homegrown joint first opened at a quiet spot in One-North five years ago, it gained a lot of fanfare for its consistently delicious burgers, made with fresh, premium ingredients. We recently visited their OG West-side outlet to update our review—here’s how it went.

Food at One Fattened Calf

One Fattened Calf’s menu is small, but the quality of the nosh makes up for quantity. There are a total of five burgers you can choose from, and we decided to go for their three bestsellers. 

First of the three that we tried was the OFC Cheeseburger ($16.50), which we upgraded to a Burger Combo with an additional $5.50. 

The 150g patty of premium New Zealand grass-fed beef that features in all their burgers is smashed on the grill and blowtorched before serving. This additional touch creates a wonderful char on the outside, while still maintaining the juiciness of the beef on the inside. 

Take a bite, and you’ll immediately be rewarded with a burst of buttery flavour from the tender, succulent patty.

One Fattened Calf’s potato buns are made in-house, and I would say that the effort to bake their own buns pays off. Light and fluffy with a touch of sweetness, the burger buns balanced out the more intense flavours of the beef. 

The burger combo comes with a serving of OFC Fries, which we upgraded to OFC Cheese Fries ($12.50 for a la carte) with a top-up of $2.50. If you prefer, you can choose to get a side of OFC Truffle Fries ($12.50 for a la carte) with the same top-up fee. 

If it weren’t for the additional dusting of paprika on top, I would’ve dismissed this as your usual cheese fries. The paprika added a mild kick of spice and general smokiness that, combined with the generous drenching of nacho cheese, made for an indulgent side that I couldn’t stop reaching for. 

Each burger combo also comes with a drink of your choice, and of course, we had to try their OFC Golden Lime Slushie ($5.50). It tasted similar to calamansi juice, though I wished it were less sweet and more sour. Nonetheless, this icy beverage was a refreshing addition to our hearty meal.

Next, we tried the OFC ButterBurger ($16.50). Its only difference from the normal OFC Burger is the addition of two thick slabs of cold grass-fed butter, similar to the ones you have in your kaya toast at Ya Kun. 

I applaud the owners for adding the butter, as it did wonders to elevate the flavours of the beef.

I loved how the cold butter immediately began melting on the hot patty, creating a luscious, fat-laden sauce that coated the meat. Similar to basting a steak with butter for extra flavour, the melted butter gave the burger a creamy finish.

Unfortunately, the beef patty in this burger was on the dry side, which was a letdown, especially since the brand prides itself on consistent quality.

It’s also worth noting that this is the only burger from One Fattened Calf that is not available for delivery, so you will have to haul yourself down to the store to try it for yourself. 

Last but not least, we tried the OFC GoldBurger ($19.50), which is loaded with pulled beef brisket on top of their standard affair of beef patty, onions, tomatoes, and pickles.  

At first, I feared that beef on beef would be too overwhelming, but it actually contrasted the tender beef patty with some chewiness, while adding smoky notes too.  

As mentioned earlier, each burger comes with its share of house-made pickles, charred onions, and red onions, but I’d like to highlight the pickles. The ones at One Fattened Calf were delightfully crunchy and not overly briny.

My only gripe was that the pulled beef was a bit too sweet for my liking, almost overpowering the flavour of the beef patty.

Ambience at One Fattened Calf

Galaxis is directly connected to One-north MRT Station, so getting here is definitely not a problem. Their dining space is quite limited, seating roughly 15 people at any given time. The seats fill up pretty quickly during lunch hour thanks to office workers from the buildings nearby, so do head down early if you’re looking to secure a seat. 

Their kitchen has an open concept, so you can watch as your burger is grilled to perfection and assembled upon order, before it lands on your tray. 

One Fattened Calf – Eatbook review

Despite a couple of misses, One Fattened Calf remains one of my favourite burger spots in Singapore. Though not the cheapest, the food here is of high quality—just try to avoid the peak lunchtime crowd for a more pleasant experience.

BTW: One Fattened Calf has a second outlet at New Bahru, catering to those who prefer a more central location.

For more food recommendations in Singapore, check out our guide to the best new restaurants and cafes in July 2026. If you’re heading to JB soon, read our Johor Bahru cafe guide for noteworthy coffee and brunch spots to try!

Address: 1 Fusionopolis Place, #01-31, Galaxis, Singapore 138522
Opening hours: Mon-Sat 11am to 3pm, 5pm to 8pm
Website
One Fattened Calf is not halal-certified.

Photos taken by Zu Yi Kong.
This is an independent review by Eatbook.sg.