Step 1

Preheat oven to 450ºF (230ºC).

Step 2

Combine the flour, baking powder and salt in a large bowl.

Step 3

Cut in butter, either using a food processor, or hand cutter.

Step 4

Add onions.

Step 5

Add starter, and mix well (using hands if necessary).

Step 6

On a lightly floured surface roll dough out to about 1 inch thickness.

Step 7

Cut biscuits using a round cutter. Place on a tray and let them rest for 12-15 minutes.

Step 8

Place biscuits in the oven, and bake for about 20 minutes or until golden brown.

Step 9

Once baked remove biscuits from the tray immediately and place on a cooling rack.