01 -
Slice 2 large yellow onions. Heat 2 tbsp olive oil in a large pan over medium-low heat. Add onions and cook for 25-30 minutes, stirring occasionally, until deeply golden and soft. Stir in 1 tbsp light brown sugar and 1 tbsp balsamic vinegar. Cook for 5 more minutes, then cool completely.
02 -
In a large bowl, combine 1 cup active sourdough starter, 1 1/2 cups warm water (90-95°F), and 3 1/2 cups bread flour. Mix until just combined and no dry spots remain. Cover and let rest for 30 minutes (autolyse). Then, sprinkle 2 tsp fine sea salt over the dough and knead gently for 2-3 minutes.
03 -
Perform 3-4 sets of stretch and folds over 2-3 hours, resting 30-45 minutes between sets. For each set, gently stretch a portion of the dough up and fold it over itself. This develops gluten and strength for your Artisan Caramelized Onion, Cheddar & Rosemary Sourdough.
04 -
After the final stretch and fold, gently flatten the dough. Evenly spread the cooled caramelized onions, 6 oz sharp cheddar cheese, 2 tbsp fresh rosemary, and 1/2 tsp freshly ground black pepper over the surface. Gently fold the dough over itself a few times to incorporate the inclusions throughout your Artisan Caramelized Onion, Cheddar & Rosemary Sourdough.
05 -
Lightly flour your work surface. Gently shape the dough into a round or oval. Place the shaped dough seam-side up in a floured banneton or a bowl lined with a floured tea towel. Cover and refrigerate for 12-18 hours for a slow, flavorful proof, essential for the best Artisan Caramelized Onion, Cheddar & Rosemary Sourdough.
06 -
Preheat oven to 450°F with a Dutch oven inside for 30 minutes. Carefully transfer the dough to the hot Dutch oven. Bake covered for 20 minutes, then uncover and bake for another 20-25 minutes, or until golden brown and cooked through. Let cool completely before slicing.