01 -
Place sliced rhubarb and smashed garlic cloves in a clean one-litre glass jar.
02 -
Combine vinegar, sugar, kosher salt, black peppercorns, mustard seeds, and star anise pods in a saucepan. Bring mixture to a boil over medium-high heat, stirring until sugar dissolves.
03 -
Carefully pour the hot pickling liquid over the rhubarb and garlic in the jar, ensuring the rhubarb is completely covered.
04 -
Allow the jar to cool to room temperature. Seal tightly, then refrigerate for a minimum of 24 hours before serving. Flavour and texture will develop further over time.