Combine the mayonnaise, buttermilk, sour cream, 3 oz of the gorgonzola, garlic, lemon juice and pepper in a medium bowl.
Use a hand blender (or blender or food processor) to blend all the ingredients together until smooth.
Stir in remaining gorgonzola crumbles by hand.
Season with salt to taste.
Serve on salad or as a dip for chips, wings, or veggies! Enjoy!