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Union Burger Bar
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Double Truffle Smash Burger
Double Truffle Smash Burger
$0
Two SMASHED 100% Angus beef patties topped with gruyere cheese, crispy onions & black truffle mayo on a toasted potato bun
ADD CHEESE
Optional
Add American Cheese
+$1.50
Add Bleu Cheese
+$1.50
Add Cheddar Cheese
+$1.50
Add Mozzarella Cheese
+$1.50
Add Pepper Jack Cheese
+$1.50
Add Swiss Cheese
+$1.50
ADD TOPPINGS
Optional
No Lettuce
No Tomato
Sub Lettuce Wrap
Add Raw Onion
Add Pickles
Add Mustard
Add Mayo
Add Bacon
+$2.50
Add Avocado
+$2.50
Add Bacon Compote
+$2.50
Add Fresh Jalapeños
+$1.95
Add Fried Egg
+$2.50
Add Guacamole
+$2.50
Add Mac & Cheese
+$2.50
Add Mango Slaw
+$2.50
Add Mushrooms
+$1.95
Add Onion Hay
+$1.95
Add Pickled Jalapeños
+$1.95
Add Sautéed Onions
+$1.95
Add Tomato Cucumber Salad
+$2.50
Add Walnut Crumble
+$2.50
Add Ketchup
Add Lettuce
Add Tomato
Side Choice
Required
Select 1
Hand Cut Fries
Slaw
Carrots & Celery
Waffle Fries
+$2.50
Sweet Potato Fries
+$2.50
Truffle Fries
+$5.95
Onion Rings
+$2.50
Side Salad
+$2.50
No Side
Double Truffle Smash Mod
Optional
No Truffle Aioli
No Onion Hay
No Gruyere Cheese
Add to Cart
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Union Burger Bar Location and Hours
(631) 377-3323
40 Bowden Square, Southampton, NY 11968
Open now
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Closes at 9:30PM
All hours
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