
In a large bowl, Mix together the cubanelle pepper, hot chili, onion, cilantro, culantro, oregano, adobo seasoning, salt and pepper, and oil.
Add the skirt steak and toss to coat. Cover and marinate in the refrigerator at least 1 hour, or overnight for more flavor penetration.
When you’re ready to cook, bring the steak to room temperature. Remove the steak from the marinade and tap off excess moisture.
Heat the grill to medium-high heat and lightly oil the grates. Grill the marinated skirt steak 3-4 minutes per side, or until done to your liking.
Slice and serve with chimichurri.
Whisk together all of the ingredients in a bowl. Adjust for salt and other seasonings if you’d like.