The In-N-Out Style 4×4 Burger isn’t just a towering indulgence—it’s a cultural icon, a badge of honor among burger enthusiasts, and a prime example of the power of simple ingredients executed with precision. Known affectionately as the “Quad Quad” by in-the-know fans, the 4×4 is part of In-N-Out Burger’s storied “Not-So-Secret Menu”, a collection of off-menu items beloved by regulars and whispered reverently throughout burger culture. While the standard Double-Double offers a satisfying ratio of meat to cheese, the 4×4 cranks that experience up to eleven, stacking four savory patties with four perfectly melted slices of American cheese in a mouthwatering monument to American fast food glory.
Founded in 1948 in Baldwin Park, California, In-N-Out Burger has always been about quality, simplicity, and consistency. They’ve built a devout following by refusing to franchise, keeping their menu minimal, and sticking to fresh, locally sourced ingredients. The recipes may seem deceptively simple on the surface, but every component—from the crisp lettuce to the hand-cut fries—plays a crucial role in delivering the full In-N-Out experience. One of the brand’s most cherished secrets is the customizable nature of their burgers, and the 4×4 emerged from this ethos—offered not as a routine menu item, but as a challenge for those daring enough to ask.
Despite its off-menu status, the 4×4 became legendary among burger aficionados, road trippers, and food-loving Instagrammers. The visual alone—four juicy beef patties layered with bright orange American cheese, tucked into a shiny toasted bun—is enough to ignite nostalgia and appetite alike.
In the version I’ve crafted here, the intent is not just to replicate but to elevate. Staying true to the structural integrity and flavor profile of the original In-N-Out 4×4 Burger, I’ve utilized fresh, premium-quality ingredients and a chef’s attention to detail. It’s an homage to the original, sure, but it also speaks to home cooks and gourmet lovers who seek to create fast food-style comfort at an elevated level in their own kitchens.
Let’s begin with the beef. In-N-Out uses fresh, never frozen ground chuck that’s coarsely ground – and for good reason. This 80/20 lean-to-fat ratio provides a juicy, flavorful patty that griddles beautifully, developing a crispy, caramelized crust while remaining tender on the inside. For this recipe, I recommend freshly ground chuck from a local butcher if possible. Divide it into four 2-ounce portions and gently shape them—the keyword here is gently. Overworking the meat can result in dense, dry patties instead of the tender, juicy texture you want.
Then there’s the cheese. While most American cheese will melt well, investing in a high-quality deli version can take this burger over the top. Look for one that’s extra creamy and has a pronounced cheddar-like tang to echo the original In-N-Out American cheese, which is formulated specifically for ideal melting.
The spread is another defining element. Often mistaken for Thousand Island dressing, In-N-Out’s spread is actually its own concoction—a tangy, sweet, creamy blend of mayonnaise, ketchup, sweet pickle relish, vinegar, and sugar. It brings lightness and a rich counterbalance to the decadent beef and cheese. Making it at home is quick, and the freshness is unbeatable. A tip: make it ahead and let it sit in the refrigerator for at least 15 minutes before using. This helps the flavors meld together just like the original.
Now, let’s talk structure. A burger this intense relies on its architecture. Each component has been carefully considered to serve a purpose. Crisp green leaf lettuce gives texture and freshness, tomato slices offer juiciness and acidity, and dill pickle slices cut through the richness with their briny bite. Toasting the buns—not just to warm them but to create a slight crust on the inside—prevents the bottom half from becoming soggy under the weight of four cheese-covered patties and their juices.
Layering is key when assembling. The first two patties go down as your foundation—solid, cheesy, and hot. Then the cool veggies are nestled in, adding contrast and keeping the bun insulated somewhat. The next two patties round it out, and the final swipe of spread on the top bun locks it all together.
Of course, you can customize this gourmet take on the classic. Some may want to add grilled onions for a hint of sweetness, or swap in spicy mayo for a little heat. But even in its unaltered form, this burger stands tall—literally and figuratively—as a love letter to one of the great regional fast food phenomenons turned national obsession.
More than just a novelty meal, recreating the In-N-Out 4×4 at home offers a window into the precise balancing act of flavors and textures that make California fast food so recognizable and craveable. It’s a dish that celebrates boldness, nostalgia, and culinary creativity all in one indulgent bite.
So whether you’re a West Coaster yearning for a taste of home, or a burger devotee looking to test your building chops, this recipe offers the best of both worlds: a towering tribute to In-N-Out’s famous 4×4, with the refinement and quality of a chef’s kitchen. One bite in, and you’ll understand why this burger holds such a legendary place in the hearts (and appetites) of so many.
In-N-Out Style 4×4 Burger
Ingredients
For the Burger Components:
- 8 ounces ground chuck beef (80/20) freshly ground preferred for best flavor and texture
- 4 slices American cheese use high-quality deli cheese for optimal melt
- 2 pieces sesame seed burger buns lightly toasted
- 4 leaves green leaf lettuce washed and patted dry
- 4 slices tomato beefsteak tomato recommended
- 8 slices dill pickles
- 0.5 teaspoon kosher salt
- 0.25 teaspoon freshly ground black pepper
For the In-N-Out Style Spread:
- 0.25 cup mayonnaise
- 2 tablespoons ketchup
- 1 tablespoon sweet pickle relish
- 1 teaspoon white vinegar
- 0.5 teaspoon sugar
Instructions
- Form the Patties: Divide the 8 oz of ground beef into 4 equal portions (2 oz each). Gently shape into thin patties, approximately 3.5 inches in diameter. Avoid compacting too tightly to keep them juicy.
- Mix the Spread: In a small bowl, combine mayo, ketchup, relish, vinegar, and sugar. Mix until smooth and refrigerate until ready to use.
- Prep the Vegetables: Slice the tomato into thick slices and gather the lettuce leaves. Set aside.
- Toast the Buns: Lightly butter the inside of each bun and toast on a skillet or griddle over medium heat (about 350°F / 175°C) until golden brown, about 1–2 minutes.
- Cook the Patties: Preheat a cast iron skillet or griddle on medium-high heat. Season patties with kosher salt and black pepper. Cook for 1.5–2 minutes per side until browned. Add a slice of cheese to each patty after flipping and let it melt.
- Assemble the Burgers: Spread a teaspoon of the special sauce on both the top and bottom buns. Stack two cheese-covered patties on the bottom bun. Add lettuce, tomato, and pickles. Top with the remaining two patties and cover with the top bun.
Notes
- For Extra Crisp: Add a thin layer of shredded lettuce for more crunch and authentic California burger feel.
- For a Spicy Kick: Add thin slices of jalapeños or a smear of chipotle mayo.
- Don’t Overwork the Beef: Gentle forming will keep the patties tender and juicy.