When ready to serve, combine the toasted hazelnuts with the rosemary and blitz to a coarse powder.

Crush with coriander and cumin seeds and peppercorns to make a coarse powder.

Oatmeal can be further processed into coarse powder, which, when cooked, becomes a thick broth.

This coarse powder had pockets of air between grains, allowing fire to travel through and ignite the entire charge quickly and uniformly.

The high active surface area of nanopowders results in lowering sintering temperature relative to coarser powders.