Apple Walnut Squares - cooking recipe

Ingredients

1/2 cup butter
1 cup sugar
1 egg
1 cup flour
1/2 teaspoon baking powder
1/2 teaspoon baking soda
1/2 teaspoon cinnamon
1 medium apple, peeled and chopped
3/4 cup walnuts

Preparation

set oven to 350 degrees.
grease a 8-in square baking dish.
In a mixing bowl, cream the butter and sugar; add the egg.
Combine the flour, baking powder, baking soda and cinnamon; gradually add to the creamed mixture, beating just until combined.
Stir in the apple and walnuts.
Pour batter into greased baking dish.
Bake for 30-35 mins, or until cake test done.