Flank Steak Churrasco With Chimichurri Rojo

• flank steaks or 1 1/2 lbs skirt steaks↗1 1⁄2 lbs
• red wine vinegar↗1⁄2 cup
• olive oil↗1⁄4 cup
• tomato paste↗3 tablespoons
• garlic, minced↗2 tablespoons
• sugar↗1 tablespoon
• ground cumin↗1 teaspoon
• ground black pepper↗1 teaspoon
• red pepper flakes↗1 teaspoon
• salt↗

Step-by-step instructions

1. 1

   Slice the steak against the grain at 45 degree angle into 1/4"-thick strips.

2. 2

   In a large bowl whisk together remaining ingredients.

3. 3

   Preheat grill to medium.

4. 4

   Toss meat slices into the chimichurri to coat.

5. 5

   Thread 4-5 strips (6 oz) onto each of 4 metal skewers. Fold each strip accordion-style, then spear through the center with the skewer. Spread strips down length of the skewer.

6. 6

   Grill skewers, covered, for 3 minutes. Turn, baste with remaining chimichurri, and grill, covered, for 3 more minutes.