01 -
In a food processor, combine celery, onion, carrots, thyme, sage, 0.25 teaspoon salt, and black pepper. Pulse until finely chopped.
02 -
Heat olive oil in a large skillet over medium heat. Add the chopped vegetable mixture and cook, stirring, for 10–12 minutes until vegetables are softened. Remove from heat and set aside to cool.
03 -
Preheat oven to 220°C (425°F).
04 -
In a large mixing bowl, whisk together bread flour, baking powder, baking soda, granulated sugar, and the remaining 0.5 teaspoon salt.
05 -
In a separate bowl, whisk together buttermilk and 4 tablespoons of melted butter until combined.
06 -
Add the liquid mixture to the dry ingredients and stir until a dough forms. Gently fold in the cooled vegetable mixture until thoroughly combined.
07 -
Drop 12 heaping spoonfuls of dough onto a baking stone or parchment-lined tray. Bake for 12 minutes.
08 -
While biscuits bake, mix the remaining 4 tablespoons melted butter with chopped fresh rosemary.
09 -
Remove biscuits from oven after 12 minutes. Brush tops generously with the rosemary butter. Return to oven for an additional 6–8 minutes, until golden.
10 -
Serve warm, optionally accompanied by butter, cranberry sauce, or gravy. Excellent as a side or base for turkey sliders.