Bake this irresistible Instant Potato Sourdough Starter at home. Made with water, sugar, instant mashed potatoes and active dry yeast. Easy step-by-step…
This Instant Potato Sourdough Starter relies on simple, everyday ingredients such as water, warm, sugar, instant mashed potatoes and active dry yeast. It comes together quickly and makes 4 servings, at about 104 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 Instant Potato Sourdough Starter 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