01 -
Preheat oven to 350°F (175°C).
02 -
Heat olive oil in a large skillet over medium-high heat. Add the thinly sliced ribeye steak and season with salt and pepper. Cook until browned, about 3-4 minutes. Remove the steak and set aside.
03 -
In the same skillet, add onions and bell peppers (if using). Cook over medium heat until soft and caramelized, about 5-7 minutes.
04 -
Slice the buns in half horizontally, keeping the tops and bottoms intact. Place the bottom half of the buns in a baking dish.
05 -
Evenly distribute the cooked steak, onions, and bell peppers over the bottom half of the buns.
06 -
Layer the provolone cheese slices on top of the steak and veggies.
07 -
Place the top halves of the buns over the cheese.
08 -
Brush the melted butter over the tops of the slider buns and sprinkle with garlic powder, if desired.
09 -
Cover the baking dish with foil and bake for 15 minutes. Remove the foil and bake an additional 5-10 minutes until the buns are golden brown and the cheese is melted.
10 -
Cut into individual sliders and serve immediately.