Step 1: Prepare the Chimichurri Sauce

1. In a small bowl, combine the chopped parsley, cilantro (if using), minced garlic, red pepper flakes, salt, black pepper, and dried oregano.
2. Add the red wine vinegar and lemon juice, then slowly drizzle in the olive oil while stirring.
3. Mix well until all ingredients are evenly combined.
4. Cover and let sit at room temperature for at least 15 minutes to allow the flavors to meld.

Step 2: Marinate the Shrimp (Optional but Recommended)

1. In a large bowl, combine the shrimp with olive oil, smoked paprika, cumin, salt, black pepper, red pepper flakes (if using), and lime juice.
2. Toss to coat evenly and let the shrimp marinate for 15-20 minutes for maximum flavor.

Step 3: Cook the Shrimp

Grilling Method:

1. Preheat the grill to medium-high heat (about 400°F).
2. Thread the shrimp onto skewers for easier grilling.
3. Place the shrimp on the grill and cook for 2-3 minutes per side, until pink and slightly charred.
4. Remove from the grill and brush with chimichurri sauce.

Stovetop Method:

1. Heat a large pan over medium-high heat and add a drizzle of olive oil.
2. Add the shrimp in a single layer and cook for 2 minutes per side until fully cooked.
3. Remove from heat and toss with chimichurri sauce.

Oven Method:

1. Preheat the oven to 400°F and line a baking sheet with parchment paper.
2. Spread the shrimp in a single layer and bake for 6-8 minutes, flipping halfway through.
3. Brush with chimichurri sauce before serving.

Step 4: Serve and Enjoy

1. Arrange the shrimp on a serving platter.
2. Drizzle with extra chimichurri sauce.
3. Garnish with lime wedges and fresh herbs.
4. Serve with rice, grilled vegetables, or tortillas.