Amish Shoo Fly Cake 4 cups all purpose flour 2 2/3 cups Brown sugar 1 cup Butter 1/2 teaspoon salt 2 cups Boiling water 1 cup Molasses 2 teaspoons Baking soda Preheat oven to 350. Grease a 9×13 baking pan. Mix flour, brown sugar, butter, and salt together and work into crumbs. Save 1 and …