1
In a small bowl, whisk together beef broth, garlic powder, salt, and black pepper. Pour this mixture over the beef and vegetables in the slow cooker.
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2
Preheat your oven to 400 degrees F. Split the hoagie rolls and place two slices of provolone cheese in each. Toast in the oven for about 5 minutes, or until the cheese is melted.
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3
Using tongs, place the beef and pepper mixture onto the cheesy hoagie rolls. Serve hot.
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