Pulse the mixture in a food processor or blender until it reaches your desired consistency.
Store in a sealed container in the refrigerator for up to 3 months.
*3 Tablespoons = 1 packet of the store-bought seasoning mix **TO MAKE THE DRESSING: Combine 1 Tbsp. seasoning mix with 1/3 cup mayo or Greek yogurt and 1/3 cup milk, and mix well with whisk. **If using fresh buttermilk, or you just want the spices for seasoning, leave out the buttermilk powder.**