01 -
Preheat oven to 375 °F and prepare a 9×13 pan with nonstick cooking spray.
02 -
Heat a skillet over medium heat and add the ground beef, onion, salt, pepper, and garlic powder. Stir frequently and cook the ground beef until browned (approximately 10 minutes). Strain excess grease if necessary.
03 -
In a small bowl, mix mayonnaise, sriracha sauce, lime juice, garlic, and salt. Set aside.
04 -
To the browned ground beef, add mayonnaise and shredded cheddar cheese. Stir until the mixture is well combined and set aside.
05 -
Place the bottom half of the slider buns in the prepared baking dish. Top with 5 cheddar cheese slices, the ground beef mixture, sriracha aioli, the remaining 5 cheddar cheese slices, and the top halves of the buns.
06 -
Evenly brush the top of the sliders with melted butter, then sprinkle sesame seeds over the top.
07 -
Bake uncovered for 15-20 minutes or until heated through and the cheese is melted. The tops of the sliders should be slightly browned. If the top buns darken too quickly, cover loosely with aluminum foil.
08 -
Serve the sliders hot out of the oven.