Without separating the rolls, slice the Hawaiian rolls in half. Place the bottom half of the rolls in a 9x12 baking pan.
Layer cheese slices on the bottom half of the rolls. Then layer on the roast beef.
In a small bowl, mix together melted butter, poppy seeds, onion powder and black pepper.
Place the remaining rolls on top of the roast beef and then brush the tops of the rolls with the butter mixture.
Loosely cover pan with foil and bake at 350˚ for about 20-25 minutes or until cheese is melted. Remove foil the last 2-3 minutes of baking to slightly brown and crisp the tops of the rolls.
Pour beef consommé into a microwaveable bowl and heat for 1-2 minutes or until very warm. Serve as a dip along with these sliders!
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Notes
If you prefer, the beef consommé can be heats on the stove top. Just bring to a boil, then reduce to simmer and cover until you're ready to serve.If the sesame seeds slide off, try sprinkling them on after you brush the roll with butter to help them stick.