Preheat oven to 350°F.
Generously butter a 9-inch square baking pan.
Cream butter and sugar until light and fluffy.
Beat in molasses, eggs and ginger. Combine flour, salt and baking soda.
Blend dry mix alternately with the buttermilk into butter mixture.
Stir in apples.
Pour batter into the prepared pan.
Bake for 35-40 minutes or until center tests done.