Heat the oil in a saucepan on medium heat
Cut the biscuits into 4 pieces
Roll the pieces with your hands in the shape of a ball
Fry the donuts in batches until browned on both sides, about 1-2 minutes per side
Drain the excess oil on a plate lined with paper towels
Fill the injector with jelly. Use a spoon if no injector is available
Using the tip of a knife, make a small hole on the donut. Insert the jelly filled injector or a spoon and fill them up
Dust with powdered sugar (optional)