How to recover files from an emtyed trash can on a Macbook M1

Within seconds of deleting a file from an SSD drive with TRIM enabled, the drive controller collects the old data blocks into SuperBlocks and bulk-erases them to make way for new data. No amount of time, effort, or money can bring that data back. The only way is to restore from your Trusted backup.

Apple urges you at every turn to acquire an external drive and make a backup, and provides a very nice Utility, built into MacOS, for free. This is a stinging lesson, but an unforgettable one.

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Not to rub this in, but this is why it's critical to keep regular backups. Recovering deleted files from a solid-state drive is at best difficult and in most cases almost impossible. And if you've been using your Mac all this time, it's highly probable that the storage locations originally used by those files have been overwritten. For any recovery to even have a slim chance, you need to stop using your computer immediately and go right to attempting recovery.

You can try another of the several data recovery services, but if you can even find one that would attempt recovery, they're unlikely to be able to do anything for you due to the nature of how SSDs store (and erase) their files. Not having used any, I can't offer any recommendations.

Sorry, but I think you're hosed.

Regards.

Time Machine saves, and can re-create, ANY Moment in time for which it still holds backup files.

Example: a user posted that they had installed software that messed up their files. it was installed mid last week. They had done an ordinary restore to recover, but that restored to yesterday, and the problem was still there. 

Readers were able to guide them to Time Machine.APP (not to be confused with Time machine preferences). This allowed them to look at the state of the major folder involved, back in time through each previous backup, until right BEFORE the bad software was added -- mid last week-- and restore as of that moment. They were thrilled.

If you do not have a recent local, disk-based backup, your computer is like a ticking Time bomb. You are only one disk failure, one crazy software, or one "oops" away from losing EVERYTHING! Drives do not last forever. It is not a question of IF it will fail, only WHEN it will fail. In addition, you never know when crazy software or Pilot Error throws away far more than you intended.

If you are using another direct-to-disk backup method that you prefer, and you currently have a recent disk-based backup, that is great. If not, you should consider using Built-in Time Machine. Take steps to acquire an external drive as soon as possible. If you buy one, a drive 2 to 3 times or larger than your boot drive is preferable for long term trouble-free operation. Do not pay extra for a drive that is fast.  (You can get by for a while with a "found" smaller drive if necessary, but it will eventually become annoying).

Attach your external drive and use

System preferences > Time machine ...

... to turn on Time Machine and specify what drive to store your Backups on.  It may ask to initialize the new drive, and that is as expected. APFS format is default format if running MacOS 11 Big Sur or later.

Time machine works quietly and automatically in the background, without interrupting your regular work, and only saves the incremental changes (after the first full backup). Time machine backs up every connected drive that is in a Mac compatible format. it can not back up Windows format drives.

One of Time Machine's "claims to fame" is that it is the backup that gets done. It does not ruin performance of the rest of the computer while doing its backup operations. You do not have to set aside a "Special Time" when you only do backups. When you need it, your Time machine Backup is much more likely to be there.

How to use Time Machine to Backup or Restore your Mac:

Back up your Mac with Time Machine - Apple Support

You can only recover from your Time machine (or similar) backup.

If you have a current/recent Time Machine backup, you can simply restore your files from there, no? That's the whole point of Time Machine.