In a large sauce pan, with a lid, combine the rhubarb, berries and vanilla. Cook on medium heat, stirring frequently. After the fruit has begun to soften and has released some of it's juice, turn the heat down to low and continue to cook for another 30-40 minutes until all the fruit is tender and easily mashed with a fork.
Since it’s both low in carbs and fat free, it’s a THM FP (Fuel Pull) sauce. Make it a bit thicker and you’ve got yourself sugar free strawberry rhubarb jam.
Some of these include: sugar-free rhubarb ice cream, keto rhubarb muffins and low-carb rhubarb cakes. You’ll also find favorites like strawberry rhubarb crisp and a custard studded tart, in this rhubarb recipe roundup.