Melt 1/4 cup butter and to it, add:
  1/2 cup sugar.
  1-2 eggs, beaten.
  1 cup milk
  1 tsp. vanilla.
  3 tsp. baking powder.
  2 cups flour.

Mix just enough to dampen flour.  (Batter should not be smooth.)

Add 1 cup blueberries.

Bake at 375 degrees for about 30 minutes.

For alternate recipe, use:
  2 eggs.
  6 oz. milk.
  1/2 cup oil instead of butter.
  2/3 cup sugar.
  1 tsp. vanilla.