Chitin meal is a paste made by grinding up the chitinous shells of certain species Crustarthroflects. It is nutritious, but not considered particularly flavorful, and so is usually a supplement to other foods for consistency and health.
Eat your bug mash or you're not getting any dessert!
Chitin meal is a good source of pre-biotics for a good gut biome. Sazashi parents swear by it.
Chitin meal is the main component of commercial-use biodegradable plastics used in the Pact.