Banana Chocolate Chip Snack Cake

1 1/4 cups flour 1 cup semi-sweet chocolate chips 3/4 cup Splenda brown sugar 1 cup Splenda sweetener 1/2 cup chopped walnuts 1 tsp. baking powder 3/4 tsp. salt 1/2 tsp. baking soda 1 1/4 cup mashed ripe bananas 1/2 cup oil 2 eggs 1 tsp. vanilla Preheat oven to 350. Grease a 9 inch pan with cooking spray. In a large bowl, combine all dry ingredients and mix well, then add the wet ingredients and mix well. Pour batter into the pan and bake 40-45 minutes or until the toothpick inserted in center comes out clean. Cool completely before removing from pan and slicing into squares.