1. Install Kali Linux
2. When prompted to select partition options, choose 1 partition and then select "BTRFS" as file system
3. Boot into newly installed system and run the following commands:

sudo passwd
sudo apt update && sudo apt install btrfs-progs snapper snapper-gui
sudo cp /etc/snapper/config-templates/default /etc/snapper/configs/root
sudo sed -i 's/^SNAPPER_CONFIGS=\"\"/SNAPPER_CONFIGS=\"root\"/' /etc/default/snapper
sudo sed -i '/# PRUNENAMES=/ a PRUNENAMES = ".snapshots"' /etc/updatedb.conf
sudo sed -i 's/^#user-authority-in-system-dir=false/user-authority-in-system-dir=true/' /etc/lightdm/lightdm.conf

4. Install the grub-btrfs package (e.g. "apt install ./grub-btrfs_4.11kali1_all.deb)
5. Reboot twice (First time will create the first snapshot, second boot will add the grub menu)