Truffle Mushroom Smash
The Truffle Mushroom Smash is the epitome of comfort meeting luxury. Crafted with a fresh Angus beef patty, melted Swiss cheese, sautéed mushrooms, and creamy truffle mayo, it delivers a rich, umami-packed experience in every bite.
This burger proves that indulgence doesn’t need excess — it’s balanced, aromatic, and deeply satisfying. From the moment you catch the first whiff of truffle to the last buttery bite, the Truffle Mushroom Smash feels like a gourmet meal served in a casual, handheld form.
Price: $9.89 | 780 Cal
Price Information💵
Item | In-Store Price (USD) | Combo Meal (USD) | Delivery Range* |
Truffle Mushroom Smash | $9.89 | $13.59 – $13.99 | $15.39 – $15.89 |
- *Delivery fees and taxes vary slightly by platform.
- Combos include fries and a drink; premium bundles occasionally offer Truffle Tots or shakes.
Background
The Truffle Mushroom Smash was first introduced as part of Smashburger’s gourmet burger series. Designed for diners who love deep, earthy flavors, it quickly became one of the brand’s signature builds. Inspired by restaurant-style truffle burgers, Smashburger created a version that’s more accessible — without compromising on quality or taste.
The burger’s concept came from the idea of elevating simplicity. By pairing freshly smashed beef with mushrooms sautéed in butter and truffle mayo, the result was a sophisticated flavor that resonated with fans nationwide.
Ingredients & Flavor Profile
Every component of the Truffle Mushroom Smash plays a role in crafting its signature flavor:
- Certified Angus Beef patty, smashed for caramelized crust and juicy texture.
- Swiss cheese, chosen for its nutty, buttery flavor.
- Sautéed crimini mushrooms, tender and earthy.
- Truffle mayo, rich and aromatic.
- Toasted brioche bun, soft and slightly sweet.
Together, these ingredients create an elegant balance of textures and flavors — creamy, savory, and perfectly layered.
Calories & Nutrition Facts
Nutrient | Amount |
Calories | 780 |
Protein | 39 g |
Total Fat | 49 g |
Saturated Fat | 20 g |
Carbohydrates | 31 g |
Sugars | 6 g |
Fiber | 2 g |
Cholesterol | 165 mg |
Sodium | 1,590 mg |
A balanced indulgence — rich in protein and flavor, with just enough fat to carry the truffle and cheese notes beautifully.
Allergen & Dietary Information
Allergen | Present |
Milk | ✅ |
Wheat | ✅ |
Soy | ✅ |
Egg | ✅ |
Sesame | Possible |
Peanuts | ❌ |
Tree Nuts | ❌ |
Fish | ❌ |
Shellfish | ❌ |
Contains milk, soy, egg, and gluten. Gluten-free buns and no-sauce customizations available upon request.
Taste & Texture Review
The Truffle Mushroom Smash delivers a flavor that’s both comforting and refined. The truffle mayo adds velvety depth, while the Swiss cheese enhances the beef’s natural umami. The mushrooms contribute an earthy sweetness, perfectly balanced by the buttered brioche bun.
Unlike heavier truffle burgers, this one remains light and cohesive. The textures complement one another — soft bun, juicy beef, and tender mushrooms — creating a bite that feels indulgent yet perfectly balanced.
Chef’s Notes & Culinary Insight 👨🍳
Smashburger chefs take special care in preparing the Truffle Mushroom Smash. The mushrooms are sautéed in butter at medium heat, ensuring a golden color and rich aroma without losing moisture. The truffle mayo is made with authentic truffle oil blended with herbs and light garlic seasoning for depth.
The patty is smashed for exactly 90 seconds per side, sealing in juices while forming a crisp crust. Swiss cheese is added just before removing it from the grill, melting naturally from residual heat.
It’s this attention to detail that gives the burger its signature “gourmet” quality.
Popular Combos & Pairings
The Truffle Mushroom Smash pairs beautifully with sides and drinks that highlight its refined, savory notes:
- Truffle Tots – double down on truffle richness with herbed potato bites.
- Smashfries – rosemary and olive oil seasoning complements the burger’s aroma.
- Vanilla Shake – creamy sweetness balances the truffle’s earthiness.
Recommended Combo (“Truffle Harmony Trio”)
- Truffle Mushroom Smash
- Truffle Tots
- Vanilla Shake
Variations:
- Double Truffle Mushroom Smash (~1,020 kcal) for more intensity.
- Add Bacon for smoky contrast.
- Swap Cheese for cheddar for sharper flavor.
Customer Opinions & Ratings ⭐
The Truffle Mushroom Smash has become a fan-favorite among Smashburger regulars who appreciate bold, refined flavor:
- Google Reviews (Denver): 4.8 average — “Tastes like a $20 gourmet burger for half the price.”
- Reddit: “Truffle flavor is strong but not overwhelming. Perfect with fries.”
- TripAdvisor: “Earthy, rich, and perfectly balanced — a must-try.”
- Quora: “Even non-truffle fans love it. It’s all about the sauce and mushrooms.”
Customers often praise its consistency — rich but never greasy, flavorful but never heavy.
Flavor Science & Umami Depth
The Truffle Mushroom Smash achieves its rich taste through layered umami — the synergy between truffle, mushrooms, beef, and Swiss cheese. Truffles and mushrooms both contain glutamates, compounds that amplify savoriness. When combined with the Maillard reaction on the smashed beef patty, they create a multidimensional flavor profile.
Swiss cheese acts as a natural umami bridge, smoothing the edges of the truffle’s intensity while adding creamy balance. The brioche bun’s mild sweetness subtly enhances the earthy richness, resulting in a complete and satisfying flavor experience.
Chef’s Tip & Pro Pairing Insight
For the best experience, enjoy the Truffle Mushroom Smash fresh off the grill — truffle aroma fades quickly as it cools. If you’re ordering delivery, request the sauce separately and add it just before eating to preserve its fragrance.
Pair it with a light, crisp beverage such as unsweetened iced tea or sparkling water to cleanse your palate between bites and highlight the burger’s natural earthiness.
Final Thoughts
The Truffle Mushroom Smash represents everything Smashburger does best — premium flavor, real ingredients, and handcrafted technique. From the buttery sautéed mushrooms to the aromatic truffle mayo, every layer feels thoughtful and refined.
It’s an indulgent yet balanced burger that proves fast-casual food can deliver true gourmet quality. Whether you’re a truffle enthusiast or just looking to elevate your burger experience, the Truffle Mushroom Smash is a must-try creation that embodies depth, texture, and craftsmanship.
