Description
Caramelized Onion Smash Burgers combine juicy beef patties with crispy edges and sweet caramelized onions for the ultimate burger experience. Easy to make, customizable, and packed with bold flavor, this is your go-to recipe for any burger craving.
Ingredients
Scale
For the Smash Burgers:
- 1 lb ground beef (80/20 preferred)
- 1 tablespoon vegetable oil
- Salt and pepper, to taste
For the Caramelized Onions:
- 1 large onion, thinly sliced
- 1 tablespoon olive oil
- 1 tablespoon butter
- 1 tablespoon brown sugar
- Salt, to taste
For Serving:
- Burger buns (optional)
- Cheese slices (cheddar, Swiss, or American)
- Lettuce, tomato, pickles, or other desired toppings
Instructions
- Caramelize Onions: Heat olive oil and butter in a skillet over medium heat. Add sliced onions and a pinch of salt. Cook 10 minutes, then stir in brown sugar. Continue cooking 15–20 minutes until golden and tender. Set aside.
- Form Patties: Divide beef into 4 balls. Season with salt and pepper.
- Heat Skillet: Preheat a cast iron skillet over high heat. Add vegetable oil.
- Smash Patties: Place beef balls on hot skillet. Smash flat with a spatula. Cook 3–4 minutes until browned.
- Flip and Finish: Flip and cook 1–2 minutes more. Add cheese during the last minute, if using.
- Assemble: Toast buns if desired. Layer patties, caramelized onions, and your favorite toppings.
- Serve: Enjoy hot with fries, slaw, or grilled veggies on the side.
Notes
- Use 80/20 beef for the best flavor and texture.
- Caramelize onions slowly for full sweetness.
- Try lettuce wraps or bunless options for low-carb versions.
- Customize with bacon, jalapeños, mushrooms, or BBQ sauce.
- Onions can be made ahead and stored for up to 3 days.
- Prep Time: 20 minutes
- Cook Time: 20 minutes
- Category: Main
- Method: Stovetop
- Cuisine: American
Nutrition
- Serving Size: 1 burger
- Calories: 510
- Sugar: 6g
- Sodium: 390mg
- Fat: 35g
- Saturated Fat: 15g
- Unsaturated Fat: 16g
- Trans Fat: 1g
- Carbohydrates: 16g
- Fiber: 1g
- Protein: 28g
- Cholesterol: 95mg
Keywords: Caramelized Onion Smash Burgers, Smash Burger Recipe, Juicy Burger with Onions, Crispy Burger Patty, Bunless Burger Ideas