Homemade Rhubarb Tomato Ketchup May 19, 2020 665 × 888 Homemade Rhubarb Tomato Ketchup Fries for Dipping in Rhubarb Tomato Ketchup An alternative to traditional tomato ketchup, the addition of tangy rhubarb to this Rhubarb-Tomato Ketchup makes a tasty condiment for anything ketchup is typically used.