Yes, you can. Cooked chicken or raw chicken can be frozen. That’s one of the reasons why chicken is such a great protein used in meal prep. It’s easy to cook, easy to freeze and you can make a big batch to save time.   To freeze marinated cooked chicken- once cooked, let chicken cool to room temperature. Transfer to freezer-safe airtight container and store in the freezer for up to 3 months.   To freezer marinated raw chicken- let the chicken sit in chimichurri marinate inside the freezer box. Pop directly into the freezer. When ready to cook, allow it to thaw in the refrigerator for a day so it’s completely thawed. Grill in an outdoor BBQ grill or on a stovetop skillet.