← Back to menu

Smash Burgers

Oklahoma Onion Smash

$8.99

Patty smashed into wispy onions until sweet, crispy, and caramelized.

Nutrition

~700cal (est.)

Calorie figures are estimates and may vary by preparation.

BYO Burger Add onsOptional · choose any
  • Lettuce+$0.50
  • Tomatoes+$0.50
  • Grilled Onions+$0.50
  • Jalapeños+$0.25
  • Pickles+$0.25
  • Bacon+$1.25
  • Patty Add on+$2.99
  • Ketchup
  • Mayo
  • Mustard
Add OnsOptional · choose any
  • Add Smash patty+$1.99
Make It a MealOptional
  • Small Fries+$2.49
  • Large Fries+$4.99

Pick your options when you order on Toast.

You’ll finish your order and pay securely on Hen & Bun’s Toast page.