The best thing you can do to expedite the time taken to do it.
No two photo editing workflows tend to be the same. Because no two photographers see things the same way or look out to process things the same way. But even then there are some steps which are sort of universal. There are many more which are different in each case. Here is a typical workflow which you can use.
The first thing that you should do is ensure that you have shot in RAW, using a custom white balance and that all other in-camera 'editing' steps have been set to zero or neutral. This will ensure that the camera won't try to do things like add sharpening, or contrast or anything in-camera.
The next thing is download the images on your computer and opening them on your favorite editing platform. If Photoshop is your preferred tool opening the image in Photoshop will open Camera RAW.
The first tasks that you should do is select the working color space. We have already explained how different color spaces tend to work for different working situations.
For batch processing of images the best approach would be to select white balance and do the basic exposure and other adjustments on an image that is the best of the lot. Here we mean the image which is most correctly exposed for the scene. Once you have that image correctly processed, you can copy the adjustments to the rest of the images from the same shoot / similar lighting.
One of the major issue that photographers face is adjusting exposures where there is a lot of difference between the shadows and the highlights. If you have chosen to expose for the highlights to retain details and your camera has a good dynamic range, it would probably be able to save enough information in the shadow areas to be salvaged. The trick is in using selections out of the different aspects when possible and to use those selections in order to produce a more realistic processing of the image.