There are 690 calories in a Mushroom Swiss Burger Small Smash from Smashburger. Most of those calories come from fat (63%).
To burn the 690 calories in a Mushroom Swiss Burger Small Smash, you would have to run for 61 minutes or walk for 99 minutes.
Let us know what you think! Review the nutrition facts above and then vote on whether you think a Mushroom Swiss Burger Small Smash is healthy or not.
There are 24 Weight Watchers Freestyle Points, 24 WW SmartPoints and 19 WW PointsPlus in a serving of Mushroom Swiss Burger Small Smash from Smashburger.
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