Try this Spinach Quinoa Soup recipe, or contribute your own.
Quinoa absorbs liquid continuously during prolonged hot holding, meaning a pot held above 140 degrees Fahrenheit for hours will eventually break down the seed's delicate germ into a pasty, thick porridge rather than maintaining distinct, suspended grains. Raw spinach added at the very end of cooking retains its bright green color through residual heat without turning drab and sulfurous, a chemical shift that occurs when chlorophyll is subjected to sustained, rolling boils. Storing this preparation requires rapid chilling; drop the temperature of the pot through an ice-water bath to below 40 degrees Fahrenheit within two hours to inhibit bacterial proliferation before transferring the contents to airtight glass containers. Because potatoes undergo a cellular breakdown called syneresis upon freezing—releasing trapped water and turning spongy when thawed—cooks planning for long-term storage should substitute firm root vegetables like turnips or omit the tubers entirely until the reheating stage. Reheat individual portions gently on the stovetop over medium-low heat rather than blasting them in a microwave, stirring frequently to distribute the heavy quinoa particles that inevitably settle to the bottom of the vessel.