1 stick butter, melted
1/4 tsp. salt
1 c. sugar
1 egg
1 c. flour
1/2 tsp. baking powder
2 apples, diced
1/4 c. chopped walnuts
1/4 tsp. cinnamon
1 tsp. vanilla

Mix together. Pour into 8-inch square pan. Bake at 350 degrees for 40-50 minutes.