take one rosemary spring at a time and start stripping off the leaves. You’ll want to hold the top of the stem and gently pinch the base of the leaves with your fingers, sliding downwards against the natural growth. The needles should come off easily. Discard the woody stems; we’re only using the leaves for the powder.
Next, place the rosemary needles between two sheets of baking paper. This helps prevent scorching while allowing them to dry evenly. Pop them in the microwave for about two minutes, checking halfway through