Instructions

  1. Heat oven to 375°.
  2. Grease 18 regular-size muffin cups (or 12 large size muffins).
  3. In bowl, mix butter until creamy. Add sugar and beat until pale and fluffy.
  4. Add eggs one at a time, beating after each.
  5. Beat in vanilla, baking powder and salt.
  6. With spoon, fold in half of flour then half of milk into batter; repeat.
  7. Fold in blueberries.
  8. Spoon into muffin cups and sprinkle topping onto each muffin.
  9. Bake 15 to 20 minutes, until golden brown and springy to touch.