In a large bowl, combine the first six ingredients. Combine the egg, milk, oil, orange juice and vanilla; stir into dry ingredients just until moistened. Fold in raspberries and chocolate chips. , Fill paper-lined muffin cups or cups coated with cooking spray two-thirds full. Bake at 375° for 20-25 minutes or until a toothpick comes out clean. Cool for 5 minutes before removing from pan to a wire rack.