Double Smash Burger with Cheddar and Caramelized Onions
This Double Smash Burger with Cheddar and Caramelized Onions features two crispy-edged beef patties, sharp melted cheddar, and sweet caramelized onions stacked high on a toasted sesame bun. It’s the ultimate indulgent homemade burger—perfect for BBQs, comfort food cravings, or fast-food-style nights in.
- Prep Time: 10 minutes
- Cook Time: 10 minutes
- Total Time: 20 minutes
- Yield: 2 burgers
- Category: Main Course
- Method: Pan-Searing / Griddling
- Cuisine: American
Ingredients
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1 lb ground beef (80/20 blend)
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4 slices sharp cheddar cheese
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4 tbsp caramelized onions
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2 sesame seed burger buns
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1 tbsp butter (for buns)
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Salt and pepper to taste
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Optional: ketchup, pickles, burger sauce
Instructions
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Divide the ground beef into four equal 4 oz balls.
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Heat a cast iron skillet or flat-top griddle over high heat until smoking hot.
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Place two beef balls in the pan. Smash flat immediately using a spatula (use parchment between meat and spatula if needed).
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Season with salt and pepper. Cook for 2–3 minutes without moving until edges are crispy and browned.
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Flip, top each patty with cheddar, and cook another 1–2 minutes until cheese is melted.
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Butter the inside of the burger buns and toast them in the pan until golden.
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Assemble: Place one patty on the bottom bun, top with caramelized onions, stack the second patty, add more onions, and crown with the top bun.
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Serve hot with fries, coleslaw, or your favorite sides.
Notes
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Use a metal spatula or burger press for the best smash.
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Caramelized onions can be made ahead and stored in the fridge.
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Add burger sauce, ketchup, or pickles to layer even more flavor.
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Toasted buns add texture and prevent sogginess from juicy patties.