
Burger King offers a variety of mushroom-based menu items, including the Shroom 'N Swiss Melt, the Mushroom & Swiss Whopper Melt, the Single Mushroom Swiss, and the Double Mushroom Swiss. The Shroom 'N Swiss Melt, introduced in 2023, features two flame-grilled Whopper Jr. patties, Swiss cheese, roasted mushrooms, and Royal Sauce. The Mushroom & Swiss Whopper Melt is another option, while the Single and Double Mushroom Swiss burgers provide a creamy mushroom and cheese combination. Burger King has been innovative with its Whopper, testing various combinations, including the Mushroom Swiss Whopper in Canada.
| Characteristics | Values |
|---|---|
| Burger Name | Shroom n' Swiss Melt, Mushroom and Swiss Whopper |
| Burger Ingredients | Mushrooms, Swiss cheese, beef patties, sesame buns, Royal Sauce |
| Calories | 860 |
| Fat | 57 grams |
| Saturated Fat | 25 grams |
| Trans Fat | 0.3 grams |
| Cholesterol | 170 milligrams |
| Sodium | 1,060 milligrams |
| Carbohydrates | 38.3 grams |
| Sugars | 8.1 grams |
| Fiber | 4.2 grams |
| Protein | 48 grams |
| Availability | Participating Burger Kings in Canada and nationwide |
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What You'll Learn

Burger King's Shroom n' Swiss Melt
The Shroom n' Swiss Melt is a limited-time offering at participating Burger King locations nationwide. The burger has a total weight of 1/4 pound for the precooked patties, with each patty weighing 2 ounces. The burger is served in a special "Melts" paper wrapper, and its grease tends to seep out onto the exterior. The bun has a texture similar to Texas Toast, with a rough grilled flat top and a foamy underbelly.
The Shroom n' Swiss Melt has received mixed reviews, with some describing it as "good but not great." The ultra-creamy and tangy mixture of Swiss cheese and Royal Sauce has been highlighted as a positive, although the mushrooms themselves have been described as lackluster and wet. The burger patties are thin, salty, and cooked at a medium temperature.
The Shroom n' Swiss Melt typically costs around \$4.99, although prices may vary by location. It contains 640 calories per serving and 38 grams of carbohydrates. It can be ordered in-store, drive-thru, or online through Burger King's website or app.
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Burger King's Single Mushroom Swiss
The Single Mushroom Swiss is part of Burger King's Mushroom Swiss range, which also includes the Double Mushroom Swiss. The Double variety features two beef patties and double the amount of cheese and mushroom sauce, resulting in a creamier and more indulgent option.
While the Single Mushroom Swiss offers a more modest serving, it still delivers on the distinctive flavour combination of mushrooms and Swiss cheese. The burger has received mixed reviews, with some praising its taste while others found it disappointing, specifically mentioning issues with the size of the patties and the quality of the mushrooms.
The Shroom 'N Swiss Melt, introduced in 2022, is another variation of the Single Mushroom Swiss. It features two 2-ounce flame-grilled Whopper Jr. patties, melted Swiss cheese, roasted mushrooms, and Royal Sauce. This version has been described as ultra-creamy and tangy, though some reviews suggest that the mushrooms could be improved.
The Single Mushroom Swiss and its variations showcase Burger King's exploration of new flavours and ingredients, offering customers unique and indulgent options to enhance their dining experience.
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Burger King's Double Mushroom Swiss
The Double Mushroom Swiss seems to have been discontinued in the UK about 20 years ago, as several Reddit users reminisced about the burger in 2021. However, it is unclear if the burger is still available in other locations.
The Double Mushroom Swiss was praised for its heavenly creamy taste and velvety goodness. The option to customize the sandwich to one's preference, a feature advertised by Burger King, likely added to its appeal.
While the Double Mushroom Swiss may not be available anymore in certain locations, it is evidence of Burger King's history of offering mushroom-based options on its menu.
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Burger King's Mushroom & Swiss Whopper Melt
Burger King has introduced mushrooms to its menu in various forms over the years. In 1985, it tested a line of tacoburgers, pizzaburgers, mushroomburgers, and Swissburgers. In 2022, it introduced the Whopper Melt, Spicy Whopper Melt, and Bacon Whopper Melt, which were followed by the Shroom n' Swiss Melt in select locations.
The Shroom n' Swiss Melt, also known as the Mushroom & Swiss Whopper Melt, is a burger with two 2-ounce flame-grilled Whopper Jr. patties, melted Swiss cheese, roasted mushrooms, and Royal Sauce. It is served between two slices of toasted bread, similar to Texas Toast. The burger has 860 calories, 57 grams of fat, 25 grams of saturated fat, 0.3 grams of trans fat, 170 milligrams of cholesterol, 1,060 milligrams of sodium, 38.3 grams of carbohydrates, 8.1 grams of sugars, 4.2 grams of fiber, and 48 grams of protein.
The Shroom n' Swiss Melt has received mixed reviews. Some people have described it as a tasty and savory sandwich, while others have found it disappointing, especially in terms of the quality of the mushrooms and the overall messiness of the burger. The mushrooms have been described as "lackluster" and "subpar", and the Swiss cheese was not as pungent as expected. The Royal Sauce and Swiss cheese were so melded together that it was hard to differentiate between the two.
The Shroom n' Swiss Melt is available at participating Burger King locations nationwide for a limited time only.
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Burger King's Mushroom & Swiss Whopper in Canada
Burger King has introduced a new item to its menu in Canada: the Mushroom & Swiss Whopper. This burger takes the classic Whopper to a new level, featuring a flame-grilled beef patty, Swiss cheese, sautéed onions, and mushrooms, all covered in Royal Sauce. The mushrooms and Swiss cheese combination provides a creamy and subtle taste, making it a unique creation.
The Mushroom & Swiss Whopper can be ordered as a single or double patty burger. The double patty option, also known as the Double Mushroom Swiss, comes with two flame-grilled beef patties and extra Swiss cheese, ensuring every bite is packed with flavour. This variation provides double the goodness and is a favourite among those who crave a heartier meal.
The versatility of the Mushroom & Swiss Whopper allows customers to customise their orders according to their preferences. Burger King's iconic "HAVE IT YOUR WAY®" slogan rings true with this burger, as customers can choose to add extra onions or omit tomatoes to suit their taste buds. This level of customisation enhances the dining experience and caters to a wide range of palates.
The introduction of the Mushroom & Swiss Whopper in Canada showcases Burger King's commitment to innovation and providing diverse options for its customers. This new burger offers a unique flavour profile that combines the earthy notes of mushrooms with the creamy texture of Swiss cheese, creating a satisfying and indulgent dining experience. It is a testament to Burger King's ability to adapt to local tastes and preferences, ensuring that its menu remains dynamic and appealing to a diverse range of consumers.
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Frequently asked questions
Yes, Burger King has mushrooms on its menu.
Burger King's Shroom 'N Swiss Melt and the Mushroom and Swiss Whopper have mushrooms.
The Shroom 'N Swiss Melt is a pair of 2-ounce flame-grilled Whopper Jr. patties smothered in melted Swiss cheese, roasted mushrooms, and Royal Sauce. It is housed between two slices of toasted bread.
The Mushroom and Swiss Whopper has creamy mushroom and melted Swiss cheese with grilled beef patties served on soft sesame buns.

























