For a more complex flavor profile, try adding a pinch of ground ginger or a strip of orange zest along with the other ingredients. The stewed rhubarb can be stored in an airtight container in the refrigerator for up to 5 days. Serve chilled or at room temperature. Pairs beautifully with Greek yogurt, vanilla ice cream, pound cake, or alongside roasted pork. Adjust sugar to taste depending on the tartness of your rhubarb. Some varieties may require more sweetener.