1/2 cup unsalted butter, softened
1 1/4 cups sugar
2 large eggs
1/2 cup milk
1 teaspoon vanilla extract
2 cups all-purpose flour
2 teaspoons baking powder
1/2 teaspoon salt
2 cups fresh blueberries
Directions:

Preheat oven to 350 degrees F. Line muffin pan with paper liners.
In medium bowl, blend together butter, sugar, eggs, milk, and vanilla.
In large bowl, sift together flour, baking powder and salt.
Pour butter mixture into dry ingredients and mix well.
Fold blueberries into mixture carefully so berries aren’t crushed.
Fill muffin cups about 3/4 full.
Bake for 20 to 25 minutes or until toothpick inserted in center comes out clean.