Place 8 ounces cream cheese, 4 ounces unsalted butter, 4 ounces heavy cream, 5 tablespoons erythritol, and 2 teaspoons vanilla extract in a food processor. Blend until smooth.
8 ounces cream cheese, 4 ounces unsalted butter, 4 ounces heavy cream, 5 tablespoons erythritol, 2 teaspoons vanilla extract, Cocoa powder