Preheat oven to 350°F (177°C). Spread walnuts in a single layer on a baking sheet and toast for 5 minutes, stirring halfway through, until golden and fragrant.
0.75 cup walnuts
Let toasted walnuts cool for 2 minutes, then chop coarsely with a knife to add texture contrast.
0.75 cup walnuts
In a bowl, stir together room temperature cream cheese, sour cream, and mayonnaise until smooth and free of lumps, about 1 minute.
8 oz cream cheese, 0.5 cup sour cream, 0.25 cup mayonnaise
Crumble the blue cheese finely and fold it into the dairy mixture along with chopped walnuts, minced garlic, lemon juice, salt, and pepper. Stir gently to combine.
4 oz blue cheese, 0.75 cup walnuts, 2 cloves garlic, 1 tbsp lemon juice, 0.25 tsp salt, 0.25 tsp black pepper
Cover the bowl and refrigerate the dip for 30 to 60 minutes to meld flavors and thicken texture. Add fresh chopped herbs just before serving.
2 tbsp fresh herbs