Soocitzi cu ceapă caramelizată

White wheat flour 54.8% , vegetable fat 16.9% , sugar 8.5% , barley malt extract 5.2% , whole wheat flour 3.6% , rye flour 2.6% , dehydrated onion 3.0% , brown sugar 1.6% , rye sourdough 1.3% , yeast extract 1.1% , yeast 0.9% , sea salt 0.8% , garlic 0.7%