Smash Burgers, Done Right
Two crispy-edged smashed patties on a toasted bun, served with hand-cut fries — in Washington, NJ.
See the Full MenuSmashed to Order
Crispy Edges · Two Patties · Served with Fries
We smash fresh beef thin on a blazing-hot griddle, so every patty picks up those lacy, caramelized edges and a deep, beefy crust. Every smash burger is a double on a toasted bun, served with our hand-cut fries. Pick a signature or build your own.
The Lineup
Pick Your Smash
WIT Smash — $16.95
The one that started it all — American cheese, pickles, crispy fried onions, and our special sauce. Our regulars ate enough of these to earn it a permanent spot on the menu.
Spicy Smash — $17.95
Not messing around — pepperjack cheese, spicy chilies, crispy fried onions, and our special spicy sauce. Built for people who ask for it hot and mean it.
Build Your Own Smash — from $15.95
Two smashed patties, your way. Choose your cheese — Cheddar, American, Swiss, Provolone, Pepperjack, Cooper Sharp or Crumbled Bleu — and load up on toppings.
"There are no strangers here; Only friends you haven't met yet."
Find Us & VisitFrequently Asked Questions
Good to Know Before You Visit
What is a smash burger?
A ball of fresh beef smashed thin on a screaming-hot griddle, so it develops deeply seared, lacy, caramelized edges and a rich beefy crust. Every smash burger at William's is two patties on a toasted bun, served with hand-cut fries.
What's on the WIT Smash?
American cheese, pickles, crispy fried onions, and our special sauce — the one our regulars ate enough of to earn it a permanent spot on the menu. $16.95, served with fries.
How spicy is the Spicy Smash?
It means it — pepperjack cheese, spicy chilies, crispy fried onions, and our special spicy sauce, built for people who ask for it hot. $17.95, served with fries.
Can I build my own smash burger?
Yes — Build Your Own Smash starts at $15.95. Pick your cheese (Cheddar, American, Swiss, Provolone, Pepperjack, Cooper Sharp or Crumbled Bleu) and your toppings, on two smashed patties with fries.
Where can I get a smash burger near me in Warren County?
William's Irish Tavern, 101 East Washington Ave, Washington, NJ 07882 — serving Hackettstown, Phillipsburg, Clinton and across New Jersey.
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