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  • Writer's pictureFay Walsh

Sourdough Fococcia

Updated: Jan 12, 2021

The Very Best Focaccia Recipe

If you have your sourdough starter handy, enjoy this wonderful focaccia recipe from King Arthur Flour, my top recipe from 2020, unanimously enjoyed by friends & family alike. I like to have fresh focaccia just out of the oven when guests arrive – people remark on the smell and how welcoming it feels to have a hearty bread ready to nibble on after a long journey.

Feel free to use any toppings you like; my preference is rosemary and potatoes.

If you don't have a very large sheet pan available, this recipe can also be baked in two 9" x 13" pans: one to keep, one to share. Or you can cut the recipe in half and bake in a single 9" x 13" pan.

Durum Wheat Flour

For my more advanced bakers, I recommend subbing in about 20% of Cairnspring Mills Durum Flour to the called for flour in this recipe to make the focaccia a bit denser & chewier.


Sourdough Focaccia

by King Arthur Flour


1 1/2 cups (340g) ripe (fed) sourdough starter

1 1/2 cups (340g) lukewarm water

6 cups (723g) King Arthur Unbleached Bread Flour (or sub in 144 grams Durum Flour/579 grams bread flour)

6 tablespoons (74g) olive oil, plus extra for the pan and the top of the focaccia

1 tablespoon (18g) salt

2 tablespoons (43g) honey

1 tablespoon instant yeast

fresh or dried rosemary

a potato, for topping


1 cup (227g) ricotta cheese

1 tablespoon honey

1/4 teaspoon salt


  1. To make the dough: Combine the starter and water in a large mixing bowl.

  2. Combine the flour with the starter, water, and remaining ingredients. Mix and knead — by hand or stand mixer — until the dough is smooth and elastic. If you're using a stand mixer, this should take 5 to 7 minutes on the lowest speed using the dough hook attachment. If you're kneading by hand, you'll need 12 to 15 minutes.

  3. Place the dough in a bowl that's been lightly coated with olive oil, cover, and allow to rise for 60 minutes.

  4. Gently fold the dough over three or four times, and let it rise for another 60 minutes.

  5. Drizzle a generous 2 tablespoons olive oil into the center of a large rimmed baking sheet (half sheet pan).

  6. Transfer the dough to the pan, and turn it over to coat it with the oil.

  7. Gently stretch the dough into the edges and corners of the pan. As soon as the dough begins to shrink back, cover it, and let it rest for 10 to 15 minutes. Gently stretch the dough again, repeating the rest once more, if necessary, until the dough fills the pan.

  8. Cover the pan and transfer it to the refrigerator to let the dough rise for 14 to 16 hours (overnight).

  9. The next day, remove the pan of dough from the refrigerator and preheat the oven to 425°F for 30 minutes (if your kitchen is warm) to 60 minutes (in a cooler kitchen)

  10. Slice your potato with a julianne slicer and toss in oil, salt & pepper.

  11. Just before you're ready to bake, gently dimple the dough at irregular intervals with your fingers, pressing down firmly but not abruptly; you don't want to deflate the focaccia too much.

  12. Drizzle 2 tablespoons olive oil (or enough to collect a bit in the dimples), then top with the pototo slices and sprinkle with rosemary and a bit of flaked sea salt.

  13. Bake the focaccia for 20 to 25 minutes, until light golden brown.

  14. Remove the focaccia from the oven. Allow it to cool enough for you to handle it comfortably, 10 to 15 minutes, then turn it out of the pan onto a rack.

  15. Serve the focaccia warm or at room temperature, accompanied by the spread; it's best the same day it's made. You can freeze any leftover focaccia and reheat defrosted slices in a toaster or 350°F oven, just until warmed through.

To make the spread: Stir together the ricotta, honey, and salt.

Recipe courtesy King Arthur Flour.

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