Apple brownies recipe

1 1/2 Stick margarine
1 1/2 c Sugar
3 Apples, chopped
3/4 c Nuts
2 Eggs
1 1/2 c Flour
3/4 ts Soda
3/4 ts Baking powder
3/4 ts Cinnamon
Cream margarine, sugar and eggs. Add flour, soda, baking powder and cinnamon; mix well. Stir in apples and nuts. Bake at 375 degrees for 40 minutes.