01 - Set oven temperature to 375°F.
02 - Mash white beans in a mixing bowl using a fork or potato masher until mostly smooth, leaving some texture for consistency.
03 - Add cream cheese, sour cream, 1 cup cheddar cheese, half the blue cheese (if using), buffalo wing sauce, smoked paprika, garlic powder, salt, and pepper. Mix until fully incorporated.
04 - Spread mixture evenly in a small oven-safe baking dish. Sprinkle remaining cheddar and blue cheese over the top.
05 - Bake for 18-20 minutes or until cheese is melted and dip is hot throughout.
06 - Remove from oven and top with sliced green onions and parsley. Serve warm with tortilla chips, celery sticks, or baguette slices.