01 -
In a large skillet, heat the olive oil over medium heat. Add the sliced onions and cook, stirring occasionally, until softened and lightly caramelized, about 5-7 minutes.
02 -
Add the thinly sliced steak to the skillet with the onions. Stir to combine and cook until the steak is browned and cooked through, about 3-5 minutes. Add the Worcestershire sauce, garlic powder, salt, and pepper, stirring to coat the steak and onions. Remove from heat.
03 -
Slice the slider rolls in half horizontally, keeping the tops and bottoms intact. Place the bottom halves of the rolls in a greased 9x13-inch baking dish or similar-sized pan.
04 -
Evenly distribute the cooked steak and onion mixture over the bottom halves of the rolls. Top with shredded provolone cheese.
05 -
Place the top halves of the rolls over the filled bottoms. Brush the tops of the rolls with melted butter and sprinkle with garlic powder.
06 -
Preheat the oven to 350°F (175°C). Bake the sliders in the preheated oven for 15-20 minutes, or until the cheese is melted and the tops of the rolls are golden brown and slightly crispy.
07 -
Remove from the oven, let cool slightly, and serve warm.