Pat dry the shrimp. Season the shrimp with salt and pepper.
In a large skillet, heat the oil over medium-high heat. When hot, add the shrimp to the skillet, arranging them in a single layer. Cook for about 2-3 minutes and flip them. Cook the other side until the shrimp is cooked through, pink, opaque (no longer translucent) about 2 minutes.
Add the chimichurri and toss to coat. Serve over rice, pasta, quinoa, polenta or with toasted bread (optional).
Shrimp: Frozen shrimp (thawed) works as well as fresh shrimp. Keep in mind that the fresh shrimp sold at supermarkets has been previously frozen. Thaw in the fridge for about 2 hours or in a colander under cold, running water (depending on size, it thaws in about 8-10 minutes). Prawns can also be used.
Make ahead: Prepare chimichurri up to 3 days in advance.Store in an airtight container in the fridge.
Storage: Refrigerate leftovers for up to 2 days
Reheat: Gently warm in a skillet-avoid overcooking