Place the Tomatillo Salsa, cilantro, and powdered garlic in a food processor. Pulse until smooth. Add the sour cream and ranch dressing mix and pulse again, until smooth and creamy.
Refrigerate for 1-2 hours to allow for the flavors to get to know each other.
Notes
Tomatillo Salsa Recipe: https://lifecurrentsblog.com/roasted-tomatillo-salsa/Adapted from Flavor Masaic