In celebration of National Cheeseburger Day, Smashburger is offering $5 Classic Singles from Monday, September 18 through Wednesday, September 20, 2023.
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Fans can claim this deal in-store or on Smashburger’s website and app by using promo code “SMASH23”.
This offer is valid on Classic Singles, Classic Single Turkey Burgers and Classic Single Black Bean Burgers.
National Cheeseburger Day is celebrated annually on September 18.
Image via Smashburger