"These Slow Cooker French Dip Sandwiches have tender, melt in your mouth beef, and are cooked with savory onions. Perfect for sandwiches!..."
INGREDIENTS
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1 large yellow onion (sliced)
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4 lb chuck roast (trimmed)
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1 tsp black pepper (freshly ground)
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1 oz au jus gravy mix ((1 packet))
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1 oz onion soup mix ((1 packet))
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2 tsp Worcestershire sauce
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2 cups beef broth
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8 medium hoagie rolls
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3 tbsp butter (softened)
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8 oz provolone cheese (sliced)
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freshly chopped parsley (for garnish)