Bake this irresistible Caramelized Red Onion Tarts at home. Made with olive oil, unsalted butter, red onion and balsamic vinegar. Easy step-by-step inst…
This Caramelized Red Onion Tarts relies on simple, everyday ingredients such as olive oil, unsalted butter, balsamic vinegar and sugar. It comes together quickly and makes 4 servings, at about 225 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.
Whether you're rounding off a family dinner, bringing a treat to a gathering, or simply satisfying a sweet craving, this Caramelized Red Onion Tarts delivers. Serve it warm or at room temperature, and add a scoop of ice cream or a spoonful of whipped cream for an extra-special finish.
Updated Jun 30, 2026