BLUEBERRY MUFFINS

1/3 cup butter

¾ cup sugar

1 egg beaten lightly

1 cup milk

2 level cups flour

4 level teaspoons baking powder

½ teaspoon salt

1 cup blueberries

Cream butter and sugar. Add fruit and egg, then milk and flour sifted with baking powder and salt. Bake in muffin tins.