Gather all your ingredients and let them reach room temperature.
In your mixing bowl, combine the softened butter and margarine. Beat them together on medium speed until light and fluffy, about 2-3 minutes.
Add the 8 ounces of cream cheese along with the additional 2 tablespoons. Mix until smooth.
Add white pepper, garlic pepper, and chopped parsley. Mix on low speed until well combined.
Taste the spread and adjust seasoning if necessary.
Transfer the spread into an airtight container. Serve immediately or refrigerate for at least an hour.