text: Yeast-raised doughnuts contain about 25 % oil by weight , whereas cake doughnuts ' oil content is around 20 % , but they have extra fat included in the batter before frying .
simplified: Yeast-raised doughnuts contain about 25 % oil by weight , whereas cake doughnuts ' oil content is around 20 % , but they have extra fat in the batter before frying .