"Slow cooker roast beef served Philly cheesesteak style with peppers and onion and cheese in a grilled cheese sandwich with a side of 'au jus' for dipping!..."
INGREDIENTS
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1 tablespoon oil
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1 large onion, sliced
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1 large green pepper, sliced
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3 cloves garlic, chopped
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2 tablespoons butter, room temperature
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8 slices bread
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2 cups slow cooker roast beef
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2 cups provolone cheese, shredded
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1 cup juices from slow cooker roast beef (warm)