Sift together flour, soda, and salt into a mixing bowl. Combine buttermilk and molasses; stir well. Add buttermilk mixture to flour mixture, stirring just until smooth. Stir in oil.
For each pancake, pour 1/4 cup batter onto a hot, well-greased griddle. Turn when tops are covered with bubbles and edges are slightly dry. Serve hot with butter and syrup.