Bake this irresistible Welsh Onion Cake with Thyme at home. Made with potatoes, onions, butter and thyme. Easy step-by-step instructions included.
This Welsh Onion Cake with Thyme relies on simple, everyday ingredients such as potatoes, onions, butter and salt and pepper, to taste. It comes together quickly and makes 4 servings, at about 375 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 Welsh Onion Cake with Thyme 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