Just use custom.cfg
menuentry "Garuda Linux Sway auf nvme0n1p6" {
insmod btrfs
search --no-floppy --fs-uuid --set=root cc8c3427-2bdc-407e-ae93-4105b6795059
configfile /@/boot/grub/grub.cfg
}
menuentry "Garuda Linux KDE auf nvme0n1p5" {
insmod btrfs
search --no-floppy --fs-uuid --set=root fc62cc44-07ab-497b-ac89-15704c290993
configfile /@/boot/grub/grub.cfg
}
# /etc/default/grub
# GRUB_DISABLE_OS_PROBER=true