INGREDIENTS
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2−2½ lbs beef London broil or flank steak
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2 tsp black pepper
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1 tsp garlic powder
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½ tsp red pepper flakes
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1 tsp onion powder
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1 tsp liquid smoke
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½ tsp meat tenderizer
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½ cup soy sauce
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½ cup Worcestershire sauce
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2 Tbsp brown sugar