In this task, you will be presented with the directions of a recipe separated by "," and have to fill in the "___" which is a step that is missing from the recipe.
Q: Place all the peppercorns in a clean towel, wrap the towel around them, and pound them with a hammer to coarsely crush.,Gently press the mixture into both sides of the skirt steak.,Combine all the ingredients for the marinade in a bowl and stir to mix.,______,Cover and marinate in the refrigerator overnight.,Heat the grill to hot, brush the onions with vegetable oil, and grill until soft.,Grill the steak over a hot fire until medium-rare, about 10 to 15 minutes.,Remove the steak from the grill and slice thinly against the grain.,Quickly heat each tortilla on the grill.,Serve the steak wrapped in a tortilla and topped with a grilled onion, with bowls of the condiments on the side.
A: 
Place the steak in a nonreactive dish or heavy, resealable plastic bag and pour the marinade over it.