Why is the method of quick freezing recommended over simple drying when preparing onion grass for preservation?

Answer

It helps retain the volatile aromatic compounds better than simple drying.

For long-term storage, preserving the fresh, volatile aromatic compounds of onion grass is essential to maintain its culinary appeal. While drying is a possible preservation technique, it often leads to a significant loss of the delicate onion essence. In contrast, quick freezing—which involves mincing the grass blades (and possibly bulbs) and flash-freezing them thinly layered on parchment paper before transferring to a sealed bag—is a superior method. This process effectively captures and locks in those crucial aromatic compounds, ensuring that when the preserved grass is later added to sautés or baked goods, it delivers a flavor much closer to the fresh harvest.

Why is the method of quick freezing recommended over simple drying when preparing onion grass for preservation?

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Edible Onion Grass / Crow Garlic / Field Garlic (Allium vineale)

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