Add water, yeast, and sugar to large bowl. Stir to combine.
Add ½ cup flour to mix. Whisk together.
Let sit uncovered for 15 minutes.
Add olive oil, salt, and 2 cups of flour.
Stir with wooden spoon until dough starts to come together.
Sprinkle a little flour on top, then knead in bowl until dough starts to form a ball, approx. 1 minute.
Turn dough onto floured surface or pastry cloth.
Knead for 2 minutes.
Cover for 10 minutes.
Knead for 2 minutes more, adding flour only as needed.
Place in clean mixing bowl.
Cover with plastic wrap and then kitchen towel.
Let sit until dough has doubled, approx. 1 hour.