The best way to grind roasted mustard seeds is using a spice grinder or a mortar and pestle. For larger quantities, a spice grinder is more efficient, while a mortar and pestle offers more control over the texture.
Grinding roasted mustard seeds releases their pungent flavor and aroma. Here's a breakdown of the two most effective methods:
Spice Grinder: This is the quickest and easiest method, especially for larger batches.
Ensure the spice grinder is clean and dry. Any moisture can cause the seeds to clump.
Add the roasted mustard seeds to the grinder.
Grind in short bursts, checking the consistency frequently. Over-grinding can generate heat and release bitter compounds.
Aim for a coarse or fine powder, depending on your recipe's requirements.
Mortar and Pestle: This method provides more control over the texture and is ideal for smaller quantities.
Place the roasted mustard seeds in the mortar.
Using the pestle, apply firm, circular pressure to crush the seeds.
Continue grinding until you achieve the desired consistency. This method allows you to create a coarser grind if preferred.
To prevent the mustard seed powder from clumping, especially if you live in a humid environment, store it in an airtight container in a cool, dark place. Adding a small amount of rice or silica gel packets to the container can also help absorb moisture.