In a bowl stir in pinch of sugar and sprinkle
with yeast. Let stand for 5 minutes. In a large bowl add 1/2 the flour.
Add in the yeast mixture and sourdough starter combine to make a dough.
On a floured surface, knead dough until smooth. Cover and place in
a warnm place overnight. In the morning, mix salt, pepper, cardamom
and remaining flour into the dough. Knead for 5 minutes. Peel and
finely chop the onions. In a saucepan melt the butter and add half
the onions, cook till slightly brown. Drain well; knead cooked onions
into the dough with remaining raw onions. Place some parchment paper
on a cookiesheet. Shape dough into 3 loaves about 14 inches long.
Cover and let stand in a warm place for 15 minutes. Preheat oven to
450F. Brush loaves with water and sprinkle with a little additional
flour. Using a sharp knife make several cuts across the tops. Bake
for 30 minutes. Cool on a rack.
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