Creating French Dip Sliders is both fun and rewarding. Follow these simple steps to make this delicious dish:

1. Preheat the Oven: Start by preheating your oven to 350°F (175°C).
2. Prepare the Au Jus: In a small saucepan, melt the butter over medium heat. Add the minced garlic and sauté until fragrant, about 1 minute.
3. Add Broth and Seasoning: Pour in the beef broth and Worcestershire sauce. Stir in onion powder, salt, and pepper. Bring to a simmer and cook for about 5 minutes to blend the flavors.
4. Prepare the Sliders: In a baking dish, place the slider buns. Open the buns and layer the sliced roast beef evenly across the bottom halves.
5. Add Cheese: Top each portion of roast beef with a slice of provolone cheese.
6. Cover with Buns: Place the top halves of the buns on each slider.
7. Bake: Pour the au jus mixture over the assembled sliders, allowing it to soak in. Cover the baking dish with aluminum foil and bake in the preheated oven for 15 minutes.
8. Uncover and Finish Baking: Remove the foil and bake for an additional 10-15 minutes, or until the cheese is melted and the sliders are heated through.
9. Garnish and Serve: Remove from the oven and let cool for a few minutes. Optionally, sprinkle with fresh parsley before serving.

These steps will lead you to a plate full of irresistible French Dip Sliders that are sure to impress!