Smashburger Offers $4 Truffle Mushroom Swiss Single Burgers On October 15, 2020

Smashburger Offers $4 Truffle Mushroom Swiss Single Burgers On October 15, 2020
Smashburger Offers $4 Truffle Mushroom Swiss Single Burgers On October 15, 2020

Smashburger is celebrating National Mushroom Day this year by offering Truffle Mushroom Swiss Single Burgers for $4 each on October 15, 2020.

The Truffle Mushroom Swiss Burger features a pure beef patty topped with sautéed crimini mushrooms, aged Swiss cheese, and truffle mayo on a classic bun.

Smashburger’s National Mushroom Day promotion is valid at participating locations nationwide for one day only on Thursday, October 15, 2020.

Image – Smashburger