Double Truffle Mushroom Smash
The Double Truffle Mushroom Smash is where gourmet indulgence meets everyday comfort. Featuring two Angus beef patties, melted aged Swiss cheese, sautéed crimini mushrooms, and a creamy truffle mayo, this burger transforms simple ingredients into a luxurious flavor experience.
It’s earthy, savory, and deeply aromatic — the kind of burger that feels handcrafted for a fine-dining table but arrives with Smashburger’s signature sear and sizzle. With every bite, the truffle aroma blends with caramelized beef for a bold, elevated twist on classic comfort food.
Price: $11.99 | 1020 Cal
Price Information💵
Item | In-Store Price (USD) | Combo Meal (USD) | Delivery Range* |
Double Truffle Mushroom Smash | $11.99 | $15.79 – $16.29 | $17.59 – $18.09 |
- *Delivery prices may vary by platform and fees.
- Combo includes fries and a drink; truffle bundles occasionally feature premium sides or shakes.
Background
The Double Truffle Mushroom Smash was inspired by the success of high-end truffle burgers in gourmet restaurants. Smashburger wanted to offer a similar luxurious taste within the fast-casual world — but without losing the handcrafted authenticity that defines its brand.
Introduced as a limited-time offer in select cities, it quickly became a permanent menu favorite. Its key appeal lies in its layers: two freshly smashed Angus patties, umami-packed mushrooms, and creamy truffle mayo that gives every bite a silky finish. It’s indulgence with purpose — balanced, rich, and memorable.
Ingredients & Flavor Profile
Each element of the Double Truffle Mushroom Smash builds depth and harmony:
- Two Certified Angus Beef patties, smashed to form a caramelized crust.
- Aged Swiss cheese, melted for smooth, nutty richness.
- Sautéed crimini mushrooms, tender and earthy.
- Truffle mayo, made with black truffle oil and herbs.
- Butter-toasted brioche bun, soft and lightly sweet.
The truffle aroma greets you first, followed by the juicy beef and umami mushrooms. The Swiss cheese bridges creamy and savory tones, while the brioche adds a subtle sweetness that enhances the truffle’s depth.
Calories & Nutrition Facts
Nutrient | Amount |
Calories | 1,020 |
Protein | 55 g |
Total Fat | 68 g |
Saturated Fat | 26 g |
Carbohydrates | 32 g |
Sugars | 6 g |
Fiber | 2 g |
Cholesterol | 195 mg |
Sodium | 1,860 mg |
A rich, protein-packed meal ideal for those craving something decadent yet well-balanced.
Allergen & Dietary Information
Allergen | Present |
Milk | ✅ |
Wheat | ✅ |
Soy | ✅ |
Egg | ✅ |
Sesame | Possible |
Peanuts | ❌ |
Tree Nuts | ❌ |
Fish | ❌ |
Shellfish | ❌ |
Contains milk, soy, egg, and gluten. A gluten-free bun and no-sauce option available for dietary preferences.
Taste & Texture Review
The Double Truffle Mushroom Smash offers one of the most refined flavor experiences on the Smashburger menu. The first bite bursts with truffle aroma and melted cheese, followed by the rich, seared beef and buttery mushrooms. The sauce provides creaminess without heaviness, enhancing instead of overpowering the meat.
The double patty creates a firm, meaty bite, while the Swiss cheese and truffle mayo ensure smoothness. Every layer feels intentional — the beef’s crust contrasts the soft mushrooms and silky sauce, achieving perfect textural harmony.
Chef’s Notes & Culinary Insight 👨🍳
Smashburger chefs treat the Double Truffle Mushroom Smash as a precision dish. The mushrooms are sautéed in butter until lightly browned but not soggy — they must retain their texture to match the beef. The truffle mayo is a blend of real truffle oil and herbs like thyme and parsley, whisked to achieve aroma without overwhelming saltiness.
Timing is key: the patties are smashed and seared for 90 seconds per side, cheese added in the final seconds to melt naturally. The truffle mayo is spread on both bun halves to ensure even flavor distribution.
Popular Combos & Pairings
The Double Truffle Mushroom Smash pairs perfectly with refined, subtle sides that highlight its gourmet profile:
- Truffle Tots – seasoned with truffle oil and herbs, enhancing the theme.
- Smashfries – rosemary-garlic seasoning adds freshness to the richness.
- Classic Vanilla Shake – cool, sweet counterpoint to savory depth.
Recommended Combo (“Truffle Experience Trio”)
- Double Truffle Mushroom Smash
- Truffle Tots
- Vanilla Shake
Variations:
- Single Truffle Mushroom Smash (~780 kcal) for lighter portion.
- Add Bacon for extra smoky contrast.
- Swap Bun to multigrain for nutty flavor lift.
Customer Opinions & Ratings ⭐
The Double Truffle Mushroom Smash has become a cult favorite among Smashburger fans who want something elevated and indulgent:
- Google Reviews (Denver): 4.8 average — “Feels like a restaurant burger, not fast food.”
- Reddit: “That truffle mayo changes everything — worth every penny.”
- TripAdvisor: “Rich but balanced, the Swiss and mushrooms make it addictive.”
- Quora: “My top pick when I want something fancier than a classic burger.”
Customers love its premium feel and clean execution — luxury flavor without overcomplication.
Flavor Science & Umami Depth
Truffle and mushrooms are both rich in glutamates — compounds that trigger umami, the savory “fifth taste.” When combined with seared beef, the result is a flavor synergy that amplifies depth and satisfaction.
The Swiss cheese’s fatty acids bind to truffle aroma molecules, slowing evaporation and extending the sensory experience. This is why the truffle flavor lingers pleasantly even after the last bite.
The brioche bun, lightly sweetened, enhances the perception of savory richness, completing a scientifically balanced bite.
Chef’s Tip & Pro Pairing Insight
For the best experience, eat the Double Truffle Mushroom Smash while it’s hot — truffle aroma is volatile and fades quickly as it cools. If ordering for delivery, ask for the sauce on the side to preserve flavor integrity.
Chefs also recommend pairing it with unsweetened iced tea or cold brew coffee for a mature contrast that complements the burger’s earthiness.
Final Thoughts
The Double Truffle Mushroom Smash redefines what a fast-casual burger can be. It’s bold, refined, and deeply satisfying — proof that flavor complexity doesn’t require fancy presentation.
From the earthy mushrooms to the aromatic truffle mayo and perfectly seared beef, every detail shines. This burger isn’t just about indulgence; it’s about craftsmanship. For anyone craving a rich, gourmet burger that feels special yet familiar, this one deserves the spotlight.
