Sourdough pop tarts are the homemade version of everyone’s favorite toaster pastries, made with simple ingredients and a flaky sourdough pie crust. This easy recipe skips the long fermentation time and is the perfect way to use up sourdough starter discard, making a delicious homemade treat that tastes way better than store-bought. Sourdough pop tarts are one of the best sourdough discard treats to keep around. They’re wonderful for busy mornings, kid snacks, or a sweet dessert after dinn...