Let the steak marinade for at least 2 hours, overnight is best!
If you don’t have Montreal Steak Spice, you can substitute it with: 1/4 tsp paprika, 1/4 – 1/2 tsp black pepper, 1/4 – 1/2 tsp salt, 1/4 tsp red pepper flakes.
Keywords: flank steak marinade
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