Name: Lettuce Wrap Blue Cheese Burgers with Caramelized Onions Recipe
Prep time: 20 min
Cook time: 1 h 30 min
Total time: 1 h 50 min
Cuisine: American
Ingredients: 4 large sweet onions, thinly sliced; 4 tablespoons butter; Kosher salt and pepper, to taste; Fresh thyme, to taste (optional, as mentioned in instructions); 1 pound lean ground beef; Crumbled blue cheese, for topping; Olive oil, for cooking (small drizzle); Kosher salt and pepper, to season beef; 1 head iceberg lettuce, leaves pulled off and washed; 2 to 3 tablespoons chopped fresh chives, for topping; ¼ cup mayonnaise; 1 tablespoon honey; 1 tablespoon Dijon mustard

Jump to Recipe· 4.9 from 16 reviews

If you’ve been hunting for a fresh, flavorful twist on classic burgers, look no further than these Lettuce Wrap Blue Cheese Burgers with Caramelized Onions. Imagine juicy beef patties crowned with melt-in-your-mouth blue cheese, nestled inside crisp iceberg lettuce leaves instead of traditional buns. Sweet, slow-cooked caramelized onions add a rich, savory depth while a luscious creamy honey mustard drizzle ties it all together in a bite that is irresistibly balanced. This recipe is perfect when you want the indulgence of a burger without the heaviness of bread, making each mouthwatering bite feel light, zesty, and downright satisfying.

Lettuce Wrap Blue Cheese Burgers with Caramelized Onions Recipe - Recipe Image

Ingredients You’ll Need

The magic of these Lettuce Wrap Blue Cheese Burgers with Caramelized Onions lies in the simplicity and quality of the ingredients. Each element is carefully chosen to build layers of flavor, from the buttery sweetness of caramelized onions to the tangy punch of blue cheese and the fresh crunch of lettuce. Here’s what you’ll gather to create this unforgettable dish:

4 large sweet onions: Thinly sliced to slowly caramelize into luscious golden strands that deliver deep sweetness.
4 tablespoons butter: Key for richness and helping the onions soften to perfect melt-in-your-mouth texture.
Kosher salt and pepper: Essential seasoning to enhance every flavor without overpowering the natural tastes.
1 pound lean ground beef: The hearty base of your burgers offering juicy, beefy goodness.
Crumbled blue cheese: Bold and creamy, it melts beautifully on the patties giving a signature tangy kick.
1 head iceberg lettuce: Crisp and sturdy, these leaves serve as the perfect low-carb bun alternative.
2 to 3 tablespoons chopped fresh chives: A bright, mild onion flavor sprinkled on top for freshness and color.
Creamy honey mustard (see below): A luscious sauce combining mayo, honey, and Dijon mustard that adds just the right balance of sweet and tangy.
¼ cup mayonnaise: Forms the creamy base of the honey mustard sauce.
1 tablespoon honey: Sweetens the sauce naturally and complements the sharpness of blue cheese.
1 tablespoon Dijon mustard: Offers a gentle heat and depth to the honey mustard dressing.

How to Make Lettuce Wrap Blue Cheese Burgers with Caramelized Onions

Step 1: Caramelize the Onions

Start by melting butter in a large skillet over medium heat. Add the thinly sliced onions with a generous pinch of kosher salt and freshly ground pepper. Stir them frequently as they soften over 10 to 12 minutes, then turn the heat to low for a slow, patient caramelization that can take one to two hours. Don’t rush it — this slow cooking develops those irresistibly sweet, dark brown onions that bring a deep umami punch. Keep a close eye to prevent burning, stirring regularly and adding a splash of water if the pan gets too dry.

Step 2: Prepare the Burger Patties

While the onions work their magic, season the ground beef generously with salt and pepper. Divide it into four to six patties depending on how thick or thin you like them. For lean, even cooking and more surface area for melting cheese, thinner patties often win in flavor and texture.

Step 3: Cook the Burgers and Melt the Blue Cheese

Use the same skillet or heat a new one over medium – a little olive oil helps prevent sticking. Place the patties in the hot skillet and cook until they’re deeply golden on one side. Flip them and immediately top with a generous spoonful of crumbled blue cheese. Let the patties finish cooking as the cheese slowly melts over the heat, turning each burger into a creamy, tangy delight.

Step 4: Whip Up the Creamy Honey Mustard

In a small bowl, whisk together the mayonnaise, honey, and Dijon mustard until smooth. This simple sauce is the perfect finishing touch, marrying the savory and sweet notes on every burger.

Step 5: Assemble Your Lettuce Wrap Blue Cheese Burgers with Caramelized Onions

Grab a few sturdy iceberg lettuce leaves per burger and nestle the cheesy beef patties inside. Top liberally with those glossy, sweet caramelized onions, drizzle on the creamy honey mustard, and sprinkle with fresh chopped chives for a final pop of color and subtle crunch. Serve immediately to enjoy warm, fresh, and bursting with flavor.

How to Serve Lettuce Wrap Blue Cheese Burgers with Caramelized Onions

Garnishes

To elevate these lettuce wrap blue cheese burgers, think fresh and bright garnishes. Extra chopped chives add a mild and pretty onion punch, while thin slices of pickled red onions can introduce a tangy snap that cuts through the richness. If you like a little heat, a sprinkle of crushed red pepper flakes or a drizzle of your favorite hot sauce brings thrilling complexity.

Side Dishes

Since the burgers are naturally low-carb and packed with flavor, try pairing them with refreshing sides. A crisp cucumber and tomato salad tossed lightly in lemon vinaigrette complements the savory richness perfectly. Roasted sweet potato wedges or crispy garlic Parmesan zucchini fries add satisfying texture and heartiness without overpowering the lettuce wraps.

Creative Ways to Present

Presentation is part of the fun! For a casual party, arrange the open lettuce cups on a large platter with bowls of caramelized onions, blue cheese, and the creamy honey mustard so guests can build their own. For a more refined dinner, serve each wrapped burger elegantly on individual plates with a side of seasonal greens and a drizzle of extra honey mustard artfully swirled around the edge.

Make Ahead and Storage

Storing Leftovers

If you have any leftovers, store the cooked burger patties and caramelized onions separately in sealed containers in the refrigerator for up to three days. Keep the lettuce and honey mustard sauce chilled and fresh separately to maintain crispness and flavor. Assemble just before serving to prevent sogginess.

Freezing

These burgers freeze well before assembly. Place cooked patties and caramelized onions cooled completely in airtight containers or freezer bags, keeping them separate, and freeze for up to two months. Avoid freezing the lettuce or sauce as they do not thaw well.

Reheating

To enjoy leftovers, gently reheat patties and onions in a skillet over medium-low heat until warmed through and the cheese is melty again. Add fresh lettuce leaves and honey mustard sauce just before serving for best texture. Avoid microwaving to keep the patties juicy and the onions deliciously tender.

FAQs

Can I use a different type of cheese instead of blue cheese?

Absolutely! If blue cheese isn’t your thing, creamy goat cheese or a sharp cheddar work beautifully. Each offers a unique flavor profile but keep in mind blue cheese brings a distinct tang that elevates these burgers wonderfully.

What lettuce works best for these wraps?

Iceberg lettuce is preferred for its crispness and sturdy leaves that hold the burgers without tearing. Butter lettuce and romaine can also be great alternatives if you want a slightly softer wrap.

Is it possible to grill the burgers instead of cooking in a skillet?

Yes, grilling is a great option! Just make sure your grill grates are clean and lightly oiled to prevent sticking. Add the blue cheese towards the end of grilling so it melts nicely without burning.

How long does it take to caramelize the onions properly?

Plan for one to two hours on low heat to achieve the deeply caramelized flavor and color. Patience here rewards you with sweet, tender onions that transform the burgers into something gourmet.

Can I prepare any parts of this recipe ahead of time for a quick weeknight meal?

Definitely! Caramelize the onions and make the creamy honey mustard sauce ahead, then store separately. When ready to eat, quickly cook the patties and assemble the wraps for a fast yet impressive dinner.

Final Thoughts

When you want a burger experience that’s full of bold flavors and delightful textures without the heaviness of bread, try making these Lettuce Wrap Blue Cheese Burgers with Caramelized Onions. The combination of juicy beef, melting blue cheese, sweet onions, and that creamy honey mustard is truly irresistible and perfect for sharing with family or friends. I can’t wait for you to try this recipe and make it your own new favorite!