Vermicomposting is often used for kitchen scraps. An extra simple way to incorporate it into your garden is by in-bed worm composting, or placing the worm bin right into the garden soil. 

See VERMICOMPOSTING the EASY way with IN-BED WORM COMPOSTING https://youtu.be/991qDFd-uaI

A full description of worm composting methods is at https://content.ces.ncsu.edu/worms-can-recycle-your-garbage