Homemade Sourdough Discard Pop Tarts. THESE ARE SO GOOD! it's always a hit with my kids. And it's so fun coming up with new flavors, too! #poptarts #sourdough #sourdoughflip #sourdoughjourney #sourdoughdiscard #recipe #sourdoughrecipes #recipeflip #homesteaders #maha #breakfastideas #homemade