Mount the hidden EFI partition of your USB drive using a tool like Clover Configurator Explorer++ on Windows.
Olarila distinguishes itself by offering "pre-made" solutions for users who may find manual configuration via tools like OpenCore too daunting. Hackintosh Olarila: Forums macos big sur olarila top
is a well-known community-driven forum and image provider specializing in creating bootable USB images of macOS for non-Apple hardware (Hackintoshes). Mount the hidden EFI partition of your USB