Place all chimichurri ingredients in blender or vitamix and puree
Toss chicken thighs with ¼ cup of the chimichurri and marinate 45 minutes to 2 hours.
Pre-heat oven to 400 degrees F and line baking sheet with parchment paper or foil.
Place chicken on baking sheet, sprinkle with salt and pepper, bake ~40 minutes.
Serve with remaining chimichurri sauce.