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You are here: Home / Brunch / French Onion Sourdough

French Onion Sourdough

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September 7, 2025 by Hugs & Cookies xoxo Leave a Comment

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This was outrageous and may be favorite inclusion choice yet!!! I even served it with french onion soup to keep the theme going!

French Onion Sourdough

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Ingredients
  

Bread

  • 460 g all-purpose flour
  • 340 g water
  • 9 g salt
  • 1 Lipton French Onion Soup packet 28 g
  • 92 g ripe sourdough starter

Caramelized Onions

  • 2 medium yellow onions ~300 g raw
  • 1 T. butter
  • 1 T. Olive Oil
  • ½ tsp kosher salt
  • ¼ cup dry white wine
  • 2 tsp Worcestershire sauce

Inclusions

  • 70 Gruyère cubed
  • 40 g Brie small cubes

Instructions
 

Onions

  • Thinly slice onions.
  • Melt butter and oil.
  • Add onions and salt.
  • Cook medium-low, stirring occasionally, 25–30 min, until golden and jammy.
  • Once onions are caramelized, deglaze pan with white wine.
  • Let simmer until the wine is almost completely cooked off.
  • Stir in Worcestershire the last 2–3 minutes.
  • Cool completely before adding to dough.

Bread

  • Mix dough ingredients, reserving 50g of water, to a mixing bowl and mix with a scraper. 2-5 mins. Slowly add in the 50g of the reserved water if the dough feels like it can handle it- I left over only a little. You don't want it soupy!
  • *note: One day I forgot to reserve some water -used it all and bread was fabulous!!
  • Let it sit 30 mins and do a stretch & fold. Repeat this for a total of 4-5 stretch & folds covering in between. (I used a proofing box so did not cover.) Do this every 30 mins.
  • Transfer to oiled cambro let bulk fermentation finish.
  • Lightly flour your work surface and scrape out your dough.
  • Pull sides up into a boule and rest 20 mins uncovered.
  • Shape the dough into a rectangle and add inclusions of onions and cheeses at this point. Shape into a boule or batard then place the dough in bannetons with rice flour on the bottom.
  • At this point I put mine in fridge overnight and baked in the morning.
  • Score the loaf and bake at 450 covered 20 mins. (I used a pizza stone and baking shell.)
  • Remove cover, place a pan under the rack and bake uncovered -took 35-40 more mins and I tented with foil to avoid over browning.
  • Cool at least an hour!

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Filed Under: Brunch

This post may contain affiliate links, view my Disclosure Policy. Sharing of this post is both encouraged and appreciated. Copying and/or pasting of full recipes to ANY social media or blogs is strictly prohibited without written consent. Recipes- including exact wording and photographs- are Copyright of hugsandcokiesxoxo.com. Any unauthorized use of content or photos from hugsandcookiesxoxo.com is a violation of my Copyright.

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Hi, I'm Danielle!

Welcome! I am married to my Prince Charming and we have 2 beautiful boys. I am also a first grade teacher and I love my students more than chocolate chip cookies!  Hope your day is filled with Hugs & Cookies!  xoxo

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