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Truffle Mushroom Swiss Smash Burger - Lettuce Wrap

Truffle Mushroom Swiss Smash Burger - Lettuce Wrap at Smashburger has 460 calories, 27g protein, 1g carbs and 38g fat — sourced from Smashburger Nutrition, not AI guesses. Certified Angus Beef patty, Swiss cheese, sautéed mushrooms, truffle mayo; lettuce wrap, no bun.

Truffle Mushroom Swiss Smash Burger - Lettuce Wrap
460calories
27gprotein
1gcarbs
38gfat
Keto Contains dairy, eggs
Unlock exact macros — free in the MacroBite app

At Smashburger, the Truffle Mushroom Swiss Smash Burger - Lettuce Wrap is keto- and low-carb-friendly. That works out to 5.9g of protein per 100 calories — 10g below the 37g Smashburger average. Its macros land at roughly 23% of calories from protein, 1% from carbs and 74% from fat. Contains dairy, eggs.

Source: Smashburger Nutrition ↗, current as of 2026. Menus change periodically; values may vary by location. How we verify →

See all 22 Smashburger meals →  ·  Highest-protein Smashburger meals →

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Truffle Mushroom Swiss Smash Burger - Lettuce Wrap — common questions

How much protein is in the Truffle Mushroom Swiss Smash Burger - Lettuce Wrap at Smashburger?
The Truffle Mushroom Swiss Smash Burger - Lettuce Wrap has 27g of protein. It also has 460 calories, 1g carbs and 38g fat, per Smashburger Nutrition.
How many calories are in the Truffle Mushroom Swiss Smash Burger - Lettuce Wrap?
The Truffle Mushroom Swiss Smash Burger - Lettuce Wrap at Smashburger has 460 calories, according to Smashburger Nutrition.
Is the Truffle Mushroom Swiss Smash Burger - Lettuce Wrap keto-friendly?
Yes — the Truffle Mushroom Swiss Smash Burger - Lettuce Wrap has just 1g of net-ish carbs, which fits most keto and low-carb targets. It has 27g protein and 38g fat.
Does the Truffle Mushroom Swiss Smash Burger - Lettuce Wrap contain allergens?
Per Smashburger Nutrition, the Truffle Mushroom Swiss Smash Burger - Lettuce Wrap contains dairy, eggs. Preparation and cross-contact vary by location — check with the restaurant if you have an allergy.
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