For our Rum and Brown Sugar Marinated Steak recipe, you can use practically any cut of steak. My favorite cut is the New York strip (aka shell, top loin or strip steak), but I chose a flank steak here to demonstrate another option. The flank steak can be put in a large Ziplock bag and marinated in the fridge for a longer period. Just remember to bring the steak back to room temperature before grilling. Ingredients... 1/2 Cup soy sauce 1/3 Cup dark rum 1/3 Cup packed brown sug