Ingredients

1 lb. flank steak, pounded 1/4-inch thick

2 tbsp. extra-virgin olive oil

1 tbsp. freshly chopped rosemary

1 tbsp. Dijon mustard

2 tbsp. Worcestershire sauce

Kosher salt

Freshly ground black pepper

1/2 (1-lb) bag frozen French fries

Steak sauce, for serving

Preparation

Step 1Preheat oven according to French fry package directions. Slice steak against the grain, on the diagonal, into thin 2-inch-long strips. Step 2In a large bowl, whisk together olive oil, rosemary, Dijon, and Worcestershire, then add steak and toss to coat. Let marinate in the fridge, at least 15 minutes and up to 2 hours. When ready to grill, generously season with salt and pepper. Step 3Meanwhile, bake frozen fries according to package directions. Let cool slightly. Step 4Heat a grill to medium-high or heat a grill pan over medium-high heat. Grease grates or pan with vegetable oil. Place four to five baked French fries on top of a piece of steak and roll up; secure with a toothpick. Repeat until all steak and fries are used up. Step 5Grill until charred, about 2 minutes per side for medium-rare. Step 6Drizzle with steak sauce before serving.

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