INGREDIENTS
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1 Tablespoon extra virgin olive oil
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1 lb ground beef
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1 medium onion chopped
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1 green pepper chopped
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1/4 cup steak sauce
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1 cup beef broth
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salt and pepper to taste
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4 hamburger buns
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1 Tablespoon Butter
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1 Tablespoon flour
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1 cup milk
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1 cup shredded provolone cheese