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Restaurant

300 Grams

203 High St, Prahran VIC 3181, Australia

Recommended by 80 people

Updated

Find 300 Grams

203 High St, Prahran VIC 3181, Australia

Directions ↗
+61 422 874 377
HoursMonday: 4:00 – 10:00 PM Tuesday: 4:00 – 10:00 PM Wednesday: 4:00 – 10:00 PM Thursday: 11:30 AM – 10:00 PM Friday: 11:00 AM – 12:00 AM Saturday: 11:30 AM – 12:00 AM Sunday: 11:00 AM – 10:00 PM

*Opening hours may differ during holidays.

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About 300 Grams

High Street regulars skip the chains for this counter—beef smashed hard with onions seared directly into the flip side, tucked into a bouncy white bun. The signature 300 GS dials in the balance, pairing charred crust and tart pickles without the usual grease-trap aftermath. For heat, the Hot Bird lands southern-fried chicken under housemade hot sauce and chilli mayo, best offset by seasoned thick-cut chips and an Oreo thickshake.

  • Onion-Smashed Patties: Patties get pressed thin with sliced onions seared directly into the flip side for deep, charred edges.
  • The Hot Bird: Southern-fried chicken drenched in housemade hot sauce and chilli mayo on a soft white bun.
  • Thick-Cut Chips & Shakes: Generous baskets of thick-cut chips tossed in savory seasoning, paired with cold Oreo thickshakes.
  • Tight, Focused Menu: A tight, compact menu centered on balanced execution and crisp produce rather than chain gimmicks.
RestaurantBurgerRestaurant

What's On at 300 Grams

Upcoming events, special menus and other reasons to plan a visit.

No events or specials listed right now.

Why 300 Grams Leads High Street's Burger Scene

Discover why Prahran patty purists crown 300 Grams an elite smashburger destination—book your table now.

  • Onion-Seared Smash Patties

    Patties are smashed hard onto the flat-top with thinly sliced onions seared directly into the flip side, creating caramelized edges paired with soft, bouncy buns and fresh toppings.

    They are smash style burgers cooked with onions on the flip side.

    timyee88 “TimYee76”

  • Curated, Focused Menu Execution

    Rather than an overwhelming menu of dozens of variations, a tightly curated roster ensures each burger achieves ideal flavour balance, fresh crisp greens, and perfect proportions.

    I looked over their menu and it’s smaller than the rest but I think that allows them to do burgers very well.

    TF

  • Unfiltered Burger Bliss

    The combination of deeply charred, crispy edges, juicy beef, and warm toasted buns provides an immediate sense of pure comfort and satisfaction.

    Every bite is just pure happiness.

    Ronald Loh

  • Decadent, Saucy Indulgence

    Generously stacked ingredients and rich, tangy house sauces deliver a messy, decadent, and thoroughly indulgent burger experience.

    Really good burgers especially if you want it drippingly good.

    Jeremy Matthew

  • Thoughtful, Attentive Hospitality

    Attentive front-of-house staff bring genuine care and warmth to every interaction, making dining in or picking up completely effortless.

    gave great service and made the whole experience really enjoyable

    oscar newton

  • High-Energy Local Vibes

    High-energy tunes and an enthusiastic counter crew create an infectious, welcoming neighbourhood buzz on High Street.

    People working are such a great crew! Will be coming back for another PHat burger and good vibes :)

    Joshua Allport

Customer favorites from the smashburger griddle and fryer

  • 300 GS

    Everything was super crunchy and fresh—there’s nothing worse than biting into warm, soggy lettuce. We were also pleasantly surprised by how soft and bouncy their white bun was.

    Bitesized Diary

  • Thick-Cut Fries

    They’re perfectly crispy and generously portioned!

    Bitesized Diary

  • Hot Bird

    If you like your burgers with a bit of a kick, try their Hot Bird with southern fried chicken and chilli mayo. They weren’t kidding when they said it’d be dripping in housemade hot sauce.

    Bitesized Diary

  • Oreo Thickshake

    Having been to all other locations, I feel so honoured to know that I had the first ever Oreo Thickshake at this store!!!!

    Bertan Kaya

Frequently Asked Questions

What style of burgers and menu options are available?

Patties are smash-style and seared with onions directly on the flip side. A single patty is well-portioned, while doubles are available for those with bigger appetites. Non-beef options include fried chicken, vegan, and vegetarian burgers, alongside sides like thick-cut chips and crispy cauliflower.

Can you customize burger orders online for takeout or delivery?

Yes. Online ordering through their website offers straightforward customizations, letting you easily adjust toppings or substitute condiments with simple tick boxes. Both takeout and delivery options are available.

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