Add cheese and baking powder to the mixture, combining until you get a smooth and even texture.
Using a spatula or slotted spoon, slowly fold your flour into the wet mixture in thirds.
With an ice cream scoop, portion out a small round of dough and drop it directly into the preheated oil. Preheat oil in a deep frying pan to medium-low. Flip each round gently with a fork until each side turns golden brown.
Carefully lift each doughnut out onto a cooling rack lined with paper towels. Sprinkle with powdered sugar or drizzle with chocolate syrup or your favorite jam.