Smashed Hawaiian Roll Sliders with Caramelized Onions
These cheeseburger hawaiian roll sliders feature smashed ground beef, melted American cheese, and caramelized onions on soft rolls with a garlic-sesame butter glaze.
These hawaiian roll sliders are the ultimate upgrade to the soggy deli-meat versions typically found at potlucks. By using a smash-style technique for the beef and piling on deeply caramelized onions, you get all the lacy-edged flavor of a premium burger in a convenient, pull-apart format.
When you make this party sliders recipe, the secret is in the double-bake. We toast the bottom buns first to ensure they stay structurally sound under the weight of the juicy beef and melted American cheese. It's a small step that prevents the dreaded mushy slider bottom.
Whether you call them cheeseburger sliders hawaiian rolls or just your new favorite game-day snack, these are designed to be decadent. The garlic-sesame-poppy seed butter finish creates a glossy, savory crust that contrasts perfectly with the signature sweetness of the King’s Hawaiian rolls.
Ingredients
The Sliders
- 1 package (12 count) King's Hawaiian Sweet Rolls
- 1.5 lbs (680g) Ground beef (80/20 blend is best)
- 1 large Yellow onion, thinly sliced
- 2 tbsp Neutral oil (like canola or grapeseed)
- 6-8 slices American cheese (or 1.5 cups shredded sharp cheddar)
- 1 tsp Kosher salt
- 1/2 tsp Coarse black pepper
Garlic Butter Glaze
- 4 tbsp (56g) Unsalted butter, melted
- 1 tsp Garlic powder
- 1 tsp Worcestershire sauce
- 1 tsp Toasted sesame seeds
- 1/2 tsp Poppy seeds
Instructions
- 1
Preheat your oven to 350°F (175°C) and lightly grease a 9x13 inch baking dish.
- 2
Sauté the sliced onions in a skillet with 1 tablespoon of oil over medium heat for 15-20 minutes, stirring occasionally, until deeply browned and soft. Set aside.
- 3
Slice the entire block of Hawaiian rolls in half horizontally. Place the bottom half in the baking dish and bake for 5 minutes to lightly toast.
- 4
Heat a large cast-iron skillet or griddle over high heat with the remaining oil. Press the ground beef into a large flat rectangle roughly the size of the roll block and sear for 3-4 minutes per side, smashing down firmly with a spatula to create a crust. Season heavily with salt and pepper.
- 5
Place the cooked beef patty directly onto the toasted bottom buns. If the patty broke apart, just spread the meat evenly across the rolls.
- 6
Layer the caramelized onions over the beef, then top with an even layer of American cheese slices.
- 7
Place the top half of the rolls over the cheese.
- 8
Whisk together the melted butter, garlic powder, Worcestershire sauce, sesame seeds, and poppy seeds in a small bowl.
- 9
Brush the garlic butter generously over the tops of the rolls, ensuring some drips down the sides.
- 10
Cover the dish with foil and bake for 10 minutes, then remove the foil and bake for another 5 minutes until the cheese is gooey and the tops are golden brown.
- 11
Let the sliders rest for 5 minutes before using a serrated knife to cut them into individual sandwiches.
Nutrition (per serving)
Estimates only — not medical or dietary advice.
- Calories
- 685 kcal
- Protein
- 31 g
- Carbs
- 34 g
- Fat
- 47 g
- Fiber
- 1.5 g
- Sugar
- 11 g
- Sodium
- 840 mg
Tips
- → Don't skip toasting the bottom buns separately for 5 minutes; it creates a moisture barrier so the beef juices don't make the bread soggy.
- → Use American cheese for that classic diner-style melt, but if you want more tang, swap in a sharp Swiss or Gruyère.
- → If you don't want to cook one giant patty, you can cook the ground beef as loose crumbles, though you'll lose the 'smash burger' crust texture.
FAQ
How do I prevent my hawaiian roll sliders from getting soggy?
Toasting the bottom half of the rolls in the oven for about 5 minutes before adding the meat creates a 'crust' that prevents the juices from soaking into the bread.
Can I make these sliders ahead of time?
You can caramelize the onions and cook the beef in advance, but don't assemble the sliders until you are ready to bake, otherwise the bread will soften too much in the fridge.
Why does my cheese usually slide off the beef?
Putting the cheese directly on the hot beef before the top bun helps it 'glue' the sandwich together. Also, letting the sliders rest for 5 minutes after baking lets the cheese set slightly.
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