Try this homemade Blondie's Grandma's Rhubarb Ketchup recipe the whole family will love. Made with frozen rhubarb, onions, white vinegar and brown sugar…
This Blondie's Grandma's Rhubarb Ketchup relies on simple, everyday ingredients such as medium onions, chopped, white vinegar, packed brown sugar and sugar. It comes together quickly and makes 4 servings, at about 458 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.
It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.
Updated Jun 30, 2026