Creamy Cilantro Lime Dressing

from melskitchencafe.com

3 fresh tomatillos, quartered

1 package dry Ranch buttermilk dressing

1/2 cup mayonnaise

1/2 cup sour cream

2/3 cup buttermilk

1 cup fresh cilantro

2 cloves garlic, crushed

juice of 1 lime

Combine all ingredients in a blender and process until smooth. Refrigerate at least one hour prior to serving.