Add all-purpose flour, baking powder, and salt to a large bowl and stir to combine.
Add the warm water and the 4 tablespoons of oil, and mix with a wooden spoon or using the hook attachment on a mixer, until the dough comes together.
Transfer the dough onto a clean flat surface and knead the dough for 10 minutes, or until the dough is smooth.
Roll in into a ball and place back in the bowl,cover with a kitchen towel and let it rest for 30 minutes.
Divide the dough into 8 separate small balls and roll each one on a lightly floured surface, use a rolling pin into an 8 to 10-inch circle.
Arrange the dough circles onto a large kitchen towel in ONE single layer.
Place a large and deep pan on the stove and add the 2 1/2 cups of oil and heat the oil to 350°F.
Fry each dough circle for about 1 minute, turning once, it shoulbe be nicely golden brown on both sides.
Transfer to cooling rack placed onto a baking sheet for the excess oil to drain.
While still warm, sprinkle with cinnamon sugar.