TRUFFLE MUSHROOM SMASH®
Smashburger · United States
Updated October 26, 2026
Oils & additives
Ingredients shown: Ingredient statements for the listed components only.
Explore the ingredients PRūF tracks. Possible alternatives are labeled. The ingredient statement is below.
Oils (3)
Additives (17)
- Artificial coloring (unspecified)
- Artificial Flavoring
- Artificial Food Coloring (Synthetic Food Dyes)
- Calcium propionate
- Diacetyl tartaric acid esters of mono- and diglycerides (DATEM)
- EDTA (ethylenediaminetetraacetic acid; food-use salts)
- Guar gum
- Modified food starch
- Mono- and Diglycerides of Fatty Acids
- Polysorbate 60
- Propyl paraben
- Propylene glycol
- Red 40
- Silicon Dioxide
- Sodium benzoate
- Yellow 5
- Yellow 6
Nutrition
| Nutrient | Amount |
|---|---|
| Calories | 650 |
| Total fat | 43 g |
| Saturated fat | 17 g |
| Trans fat | 2 g |
| Cholesterol | 105 mg |
| Sodium | 1020 mg |
| Carbohydrate | 32 g |
| Fiber | 2 g |
| Total sugars | 2 g |
| Protein | 33 g |
Serving size: 1 source-default recipe (SINGLE)
Allergens
Explore allergens. Make more informed choices.
Ingredients
Ingredients shown: Ingredient statements for the listed components only.
Beef Patty: 100% Pure Ground Beef, Seasoning Processed From: Salt, Spice, Dehydrated Garlic, Natural Flavors, Onion Powder, Yeast Extract, Disodium Inosinate, Disodium Guanylate, Ascorbic Acid, Natural Smoke Flavor, With Not More Than 2% Silicon Dioxide Added As An Anti-Caking Agent, Pasteurized Cream, Natural Flavorings, Lactic Acid || Classic Bun: Enriched Wheat Flour, Wheat Flour, Malted Barley Flour, Niacin, Iron, Thiamine Mononitrate, Riboflavin, Folic Acid, Water, Soybean Oil, Yeast, Sugar, Salt, Sour Base, Fumaric Acid, Malt Powder [Dried Corn Syrup, Barley Malt Extract], Contains 2% or Less of: Acetic Acid, Lactic Acid, Dough Extender, Monoglycerides (plant based), Guar Gum, Corn Syrup solids, Contains 2% or Less of: Silicon Dioxide [Flow Aid], Enzymes [Wheat], Calcium Sulfate, Dough Conditioner, Diacetyl Tartaric Acid, Esters Of Mono And Diglycerides (DATEM, DATEM, Ascorbic Acid [Vitamin C], L-Cysteine Hydrochloride, Calcium Propionate, Egg Shade Color, Propylene Glycol, Certified FD&C Colors FD & C Yellow #5, Yellow #6, Red #40, Citric Acid, Sodium Benzoate [Preservative], Propylparaben [Preservative], Shine Agent, Modified Food Starch, Sodium Alginate, Mono- And Diglycerides, Soy Lecithin, Polysorbate 60, Wheat Ingredients, Pasteurized Cream, Natural Flavorings || Aged Swiss Cheese: Cheese Cultures, Enzymes, Notes, Part-Skim Milk, Salt || Regular Truffle Mayo: Soybean Oil, Egg, Olive Oil, Water, Egg Yolks, Distilled Vinegar, Contains Less Than 2% Of Salt, Sugar, Natural & Artificial Flavors, Canola Oil, Garlic, Lemon Juice Concentrate, Parsley, Calcium Disodium Edta Added To Protect Flavor, Citric Acid, Dehydrated || Regular Sautéed Crimini Mushrooms: Mushrooms, Pasteurized Cream, Natural Flavorings, Lactic Acid, Seasoning: Salt, Spice, Onion Powder, Disodium Inosinate, Disodium guanylate
Sources
Smashburger nutrition & ingredient sourceUpdated October 26, 2026. Recipes and availability may vary by location.
Menu category: SMASHBURGERS