McDonald’s Big Arch Burger 2026: Ultimate Bold New Taste

McDonald’s continues to innovate with the introduction of the Big Arch Burger. Combining classic ingredients with bold new flavors, this indulgent addition to the McDonald’s menu is designed for those who crave something satisfying. Packed with protein and rich in flavor, it has quickly become a favorite among burger lovers.

Ingredients & Flavor Profile

The Big Arch Burger features two juicy 100% beef patties, layered with smooth white cheddar cheese and complemented by crispy onions, fresh lettuce, and tangy pickles. What truly sets this burger apart, however, is the signature Big Arch sauce, a blend of tomato, egg yolk, mustard, and spices, designed to add a creamy, tangy kick to each bite. All of these ingredients are enclosed in a soft poppy & sesame seed bun, offering a nutty crunch that elevates the burger’s texture.

Nutritional Breakdown

A truly indulgent treat, the Big Arch Burger packs in 1,057 kcal per serving. While this burger delivers a hefty dose of 57 grams of protein, it also comes with 67 grams of fat, including 26 grams of saturated fat. For those mindful of their carbohydrate intake, it contains 54 grams of carbs with 15 grams of sugar. With 4.1 grams of salt, this Burger should be considered an occasional indulgence.

Nutritional Facts Per Burger

Nutrient	Amount	% Reference Intake (RI)
Energy	4406 kJ / 1057 kcal	53%
Protein	57 g	114%
Fat	67 g	96%
Saturated Fat	26 g	132%
Carbohydrates	54 g	21%
Sugars	15 g	16%
Fiber	4 g	–
Salt	4.1 g	69%

The Secret of the Big Arch Sauce

McDonald’s special Big Arch sauce combines tomato, mustard, egg yolk, and spices, creating a tangy, creamy texture that enhances the burger’s already rich flavors. The sauce adds depth to the juicy beef and smooth cheddar, making each bite unforgettable.

Preparation and Ingredients

Here’s what goes into making this Burger:

Ingredient	Description
Beef Patties	100% pure beef, seasoned after cooking
Poppy & Sesame Seed Bun	Soft with a nutty crunch
White Cheddar Cheese	Creamy and smooth for a perfect melt
Big Arch Sauce	A blend of tangy and creamy notes
Lettuce (Iceberg)	Fresh and crisp for crunch
Crispy Onions	Adds texture and flavor
Pickles	Zesty and refreshing
Fresh Onions	Adds balance to the flavor profile

Allergens & Dietary Information

As with many of McDonald’s menu items, the Big Arch Burger contains several common allergens, including wheat, milk, egg, and mustard. The burger’s ingredients, particularly the poppy and sesame seed bun, cheddar cheese, and sauce, are the primary sources of these allergens. It may also contain traces of barley and rye due to cross-contamination in the kitchen.

For those with dietary restrictions:

Allergen Information

Ingredient	Contains Allergens
Beef Patty	None
Poppy & Sesame Bun	Wheat, Sesame (May contain traces of rye and barley)
White Cheddar Cheese	Milk
Big Arch Sauce	Egg, Mustard
Lettuce (Iceberg)	None
Crispy Onions	Wheat
Pickles	None
Fresh Onions	None

Is the Big Arch Burger Right for You?

This indulgent creation is perfect for those looking to treat themselves to something special. With 1057 kcal per burger, it’s a hearty meal that will leave you full and satisfied. Given its rich content of fats and protein, it’s best to enjoy this burger as an occasional indulgence rather than an everyday meal. The Big Arch is perfect for those who enjoy bold, savory flavors with a creamy finish.

Pricing and Availability

The Big Arch Burger is priced at £7.69 for the burger alone, or £9.99 for a complete meal, which includes fries and a drink. As a limited-time item, the burger is available for a short period, so be sure to grab one before it disappears from the menu. Available at participating McDonald’s locations, check your local restaurant or McDonald’s app for availability.