1) Preheat oven to 325°F. Spray a 9×5-inch loaf pan with cooking
spray.Combine flour, sugar, baking soda, and salt in a large bowl. Mix
well.
2) Add chocolate chips and gently mix to combine.
3) In a medium bowl, mix egg, vanilla, melted butter, apple sauce and
zucchini. Add to the flour mixture and stir until just blended.
4) Pour batter into the prepared 9×5-inch loaf pan.
5) Bake 45-55 minutes, or until a toothpick inserted in the center
comes out clean. Cool for about 10 minutes. Remove loaf from pan and
let it cool before slicing.