Bake this irresistible Potato, Onion, and Rosemary Cake at home. Made with unsalted butter, olive oil, onions and red potatoes. Easy step-by-step instru…
This Potato, Onion, and Rosemary Cake relies on simple, everyday ingredients such as unsalted butter, olive oil, onions, thinly sliced and salt. It comes together quickly and makes 4 servings, at about 575 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 Potato, Onion, and Rosemary Cake 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