Preheat oven to 375 F.
Line muffin pans with paper liners.
In a large bowl, cream butter and 1 1/4 cup sugar until light and fluffy.
Add eggs and mix well.
Mix flour, baking powder and salt together and mix well.
Add flour mixture and milk and mix well.
Fold in berries.
Fill muffin cups and sprinkle with the remaining 1/4 cup of sugar.
Bake for 30 minutes.
Allow to cool in pans for approximately 30 minute before removing them from pans.