01 -
Mix mayonnaise, mustard, ketchup, relish, and apple cider vinegar in a small bowl. Refrigerate to chill.
02 -
Preheat the oven to 400°F.
03 -
In a large bowl, combine ground beef, garlic powder, onion powder, salt, and pepper until evenly mixed.
04 -
Press the seasoned ground beef into a flat, even layer on a foil-lined half sheet pan or a 9x13 glass baking dish.
05 -
Bake in the oven for 10–15 minutes or until cooked through. Remove and drain grease.
06 -
Brush the tops of the slider buns with melted butter and sprinkle sesame seeds. Bake for 3 minutes to lightly toast.
07 -
Slice the buns through the center and set the tops aside. Spread half of the special sauce on the bottom buns.
08 -
Top buns with shredded lettuce, cooked hamburger patty slab, cheese slices, diced onions, and pickles. Drizzle remaining special sauce.
09 -
Place the top buns over the sliders. Slice into individual portions and serve.