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18 October 2025: HOOGA Members’ Day Special Sale! Enjoy 30% OFF +...

12-17 October 2025: Burger King Singapore: Celebrate Mushroom Day with 1-for-1 Mushroom Swiss Promotion

by JR 13/Oct/2025

Burger-King-Singapore-Celebrate-Mushroom-Day-with-1-for-1-Mushroom 12-17 October 2025: Burger King Singapore: Celebrate Mushroom Day with 1-for-1 Mushroom Swiss Promotion

Attention all burger aficionados and Mushroom Swiss enthusiasts! If there’s ever been the perfect excuse to indulge in a mouthwatering burger, this is it. Burger King Singapore is ringing in Mushroom Day from 12–17 October 2025 with an irresistible offer that is bound to satisfy cravings and tempt even the most disciplined foodies. For a limited time, fans can enjoy 1-for-1 Mushroom Swiss burgers, giving everyone the chance to double the delight without doubling the spend.

This promotion is particularly exciting because it isn’t limited to a single burger choice. Mushroom Swiss lovers get to pick from three delicious variations, ensuring that whether you’re looking for a breakfast treat, a hearty lunch, or a satisfying dinner, there’s an option perfectly suited for your taste.

For the early risers, the Mushroom Swiss Croissan’wich® with Egg is available during breakfast hours. This breakfast option combines the buttery flakiness of a croissant with the richness of Swiss cheese, savoury mushrooms, and a perfectly cooked egg. Simply use code SHROOM11 to enjoy the 1-for-1 deal and kickstart your morning with a flavourful boost. The combination of textures—from the soft, fluffy egg to the crisp croissant—is a brilliant way to elevate your standard breakfast.

For lunch and dinner, burger lovers have two more options. The classic Single Mushroom Swiss is perfect for those who want the iconic Mushroom Swiss experience without any frills. Topped with melted Swiss cheese and a generous serving of sautéed mushrooms, this burger is exactly what you expect from Burger King’s signature flavour profile. To redeem the 1-for-1 offer for this classic option, just enter code SHROOM22 when ordering.

For a more premium experience, the Mushroom Swiss Tendergrill® is available at lunch and dinner too. Featuring a tender, flame-grilled chicken patty, it combines the same irresistible mushrooms and Swiss cheese for a lighter yet equally satisfying take on the Mushroom Swiss classic. This option is ideal for those who prefer chicken over beef but still want to fully enjoy the celebration of Mushroom Day. Use code SHROOM33 to claim the 1-for-1 deal.

So why should burger enthusiasts make it a point to visit Burger King during this week? First, there’s the obvious appeal of getting double the burger for the price of one—perfect for sharing with a friend or simply treating yourself twice. It’s not often that fast-food chains offer a promotion that allows you to enjoy a premium menu item at such great value. Secondly, this is a unique opportunity to explore different variations of the Mushroom Swiss range, perhaps discovering a new favourite in the process. Many people stick to one type of burger, but this promotion encourages experimentation, allowing diners to mix and match and truly make the most out of their visit.

The timing of this promotion is also worth noting. By spanning six full days, Burger King ensures that even the busiest of schedules can accommodate a visit. Whether you prefer an early breakfast indulgence or a late-night burger treat, the 1-for-1 Mushroom Swiss offer makes it easy to participate without feeling rushed. The extended promotion also provides flexibility for families, friends, and colleagues to plan their visits together, making it a social as well as culinary event.

It’s also an excellent opportunity for those who might not regularly visit Burger King. The Mushroom Swiss series is an iconic item on the menu, and the 1-for-1 promotion offers a low-risk chance to experience it fully. For first-time customers, this could easily turn into a new weekly or monthly indulgence. For regular patrons, it’s a chance to stock up on a favourite while sharing the joy with someone close.

The convenience of the promotion cannot be overstated either. Burger King has long been celebrated for its efficient service, whether through in-store dining, takeaway, or delivery platforms. With these options, Mushroom Swiss lovers don’t have to compromise on their busy schedules. They can enjoy this limited-time offer in the way that best suits them—whether it’s a quick office lunch, a casual brunch, or a cosy dinner at home.

From a value perspective, the 1-for-1 deal also makes this promotion extremely budget-friendly. Singapore’s dining scene can be pricey, especially when indulging in speciality burgers or premium menu items. By doubling up on your favourite Mushroom Swiss burgers for the same price, customers can enjoy a premium taste experience without straining their wallet. It’s the perfect excuse to splurge a little while still being smart about your spending.

In addition to the financial and taste benefits, there’s something undeniably fun about Mushroom Day itself. Promotions like these turn a regular week into a mini celebration, giving food lovers an excuse to plan outings, connect with friends, or simply treat themselves. With the variety of Mushroom Swiss options available, it becomes a playful experience as diners decide which burger to try first, whether to stick with a classic, opt for the tendergrill, or start the day with a Croissan’wich® breakfast.

It’s worth noting that the promotion codes—SHROOM11, SHROOM22, and SHROOM33—make the redemption process straightforward, reducing the usual hassle that sometimes accompanies special offers. This allows customers to focus on what matters most: enjoying their delicious Mushroom Swiss burger without complications.

Ultimately, Burger King’s Mushroom Day 1-for-1 promotion is a celebration that goes beyond a mere discount. It’s about encouraging people to explore the menu, indulge in high-quality burgers, and enjoy the simple pleasure of good food shared with others. Whether you’re a devoted Mushroom Swiss fan or a casual burger lover, this is one week that foodies in Singapore won’t want to miss. By combining flavour, value, and accessibility, Burger King has created a promotion that is both enjoyable and memorable.

For anyone in Singapore looking to add a bit of excitement to their week, mark 12–17 October 2025 on the calendar. Set aside time to visit your nearest Burger King outlet or place an order online, grab a friend—or double up for yourself—and dive into the irresistible world of Mushroom Swiss burgers. From breakfast croissants to classic beef and tendergrill chicken options, there’s something to satisfy every craving. Don’t miss out on this limited-time celebration of Mushroom Day—it’s a delicious opportunity to treat yourself, indulge your taste buds, and experience Burger King at its best.

Promotional/Event Details:
Date: 12–17 October 2025
Time: Breakfast, Lunch, Dinner (depending on burger option)
Venue: Burger King Singapore
Source/More Info: Burger King Facebook

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