Combine first 7 ingredients in large bowl. Mix in butter and molasses, using a wooden spoon. If dough does not stick together when pinched, add water 1 tablespoon at a time to bind (dough can also be maid in an electric mixer with a dough hook.
Form into three 1x3x6 inch bars. wrap with waxed paper, refrigerate until firm, about 4 hours (can be refrigerates for up to 5 days or frozen up to 2 months, thaw dough in refrigerator overnight).
Preheat oven to 325 degrees.
cut dough into 1/8-inch clices. Arrange on baking sheet, spacing 1/2 inch appart.
Bake until darkened, 10 to 12 minutes. cool on wire rack.