This sourdough discard focaccia with rosemary and sea salt is the perfect way to use up your starter discard. With a crispy, golden crust and soft, airy interior, it delivers bakery-quality results in about 4 hours using simple pantry ingredients.
Don’t skimp on the olive oil—it creates the crispy bottom crust. Use wet hands to handle the sticky dough (80% hydration). Press deep dimples firmly to the bottom of the pan for signature texture. Let cool at least 20 minutes before slicing to avoid gummy crumb. For best results, use bread flour with at least 12% protein. If using all-purpose flour, add 2 tablespoons vital wheat gluten. Store at room temperature in an airtight container for up to 2 days; do not refrigerate. Reheat in a toaster oven at 350°F for 5-7 minutes.
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