- 1 cup buttermilk
- 1 cup mayonnaise
- 1 (4 ounce) package crumbled blue cheese
- 1/8 teaspoon garlic powder
- 1/8 teaspoon ground black pepper
- Stir the buttermilk, mayonnaise, blue cheese, garlic powder, and black pepper together in a bowl.
- Cover bowl with plastic wrap and refrigerate overnight before serving.