01 -
Preheat your oven to 350°F. Line a muffin tin with paper liners or grease it lightly to prevent sticking.
02 -
In a large bowl, blend the butter, sugar, and eggs until well combined.
03 -
Add the vanilla extract and blend well again.
04 -
Add the flour, baking powder, and salt to the wet ingredients. Mix with an electric mixer, alternating with the milk, until a thick batter forms.
05 -
Mash half of the blueberries and stir them into the batter. Gently fold in the remaining blueberries.
06 -
Line a 12-cup muffin pan with liners. Fill each muffin cup with batter.
07 -
Bake in the preheated oven for about 30 minutes, or until a toothpick inserted into the center comes out clean.
08 -
Remove from the oven and let the muffins cool for 15 minutes before serving.