Sift refined flour into a bowl, add activated yeast along with powdered sugar, buttermilk and baking powder and mix well. Add butter and knead into a soft dough and set aside till the dough rise. Knock back again dusting with refined flour.
Roll the dough into ½ inch thickness and cut into mini doughnuts with a doughnut cutter.
Heat sufficient oil in a kadai and deep-fry the doughnuts on medium heat till golden.
Take melted dark chocolate in a bowl, dip the fried doughnuts in it till well coated and then sprinkle sugar coated fennel seeds over them.
Transfer the doughnuts on a serving plate and serve immediately.
