Preheat oven to 350 degrees F. In a large mixer bowl, beat sweetener, butter, egg, and vanilla until well blended. Mix in chopped zucchini. Add flour, cocoa, baking blend, salt, baking soda, and baking powder. Mix well. Stir in chocolate chips. Grease and flour a bread pan. Line with parchment paper. Spoon bread into pan. Bake zucchini bread for 45-50 minutes or until toothpick inserted in the center comes out clean. Cool for 10 minutes and remove from the pan. 10 slices.