1/2 c. butter
2 c. flour, unsifted
1 c. sugar
2 eggs
1/2 c. milk
2 tsp. baking powder
1/2 tsp. salt
2 c. blueberries
2 tsp. sugar for top of muffins
1 tsp. vanilla

On low speed, cream butter and sugar until fluffy. Add egg, one at a time. Mix until blended. Sift dry ingredients. Add alternately with milk. Add 2 cups blueberries and vanilla. Pile high in cups and sprinkle with sugar. Bake at 375 degrees for about 30 minutes.