[header] How to make blueberry cream cheese muffins [title] Preheat the oven to 350 ° f. [title] Combine the cooled butter, sugar, and vanilla in a medium-sized bowl and stir well. [title] Add the egg and egg whites, and beat them in well. 
[title] Pour in the milk and stir well. [title] Combine the flour, baking powder, and salt in a separate bowl.