Bake this irresistible Caramelized Onion & Cheese Tart at home. Made with butter, onion, sugar and ready. Easy step-by-step instructions included.
This Caramelized Onion & Cheese Tart relies on simple, everyday ingredients such as each butter and olive oil, large onion (1 lb.), chopped, sugar and athenos crumbled blue cheese. It comes together quickly and makes 4 servings, at about 185 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 Onion & Cheese Tart 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