Step 1

Place rhubarb chunks, water, salt, and granulated sugar, in a large saucepan over medium-high heat.

Step 2

Bring the rhubarb mixture to a boil then turn the heat to medium-low and cook for 10 minutes, or until the rhubarb has broken down and become soft.

Step 3

Remove the sauce from the stove and stir in the vanilla. Allow the sauce to cool completely before storing in the refrigerator.