Put all dry ingredients, except baking soda, into a bowl
Peel and core 3-4 apples (golden delicious work great) and mash. Add 1 cup of the mashed apples to a small bowl. Add baking soda.
Melt butter. Add butter and apple sauce mixture to flour mixture. Stir. Pour into 9-inch square pan. Bake about 25 minutes at 350°.