In a large bowl, combine flour, yeast, salt, and sugar.
Gradually add warm water and olive oil to the dry ingredients.
Stir until a dough forms.
Knead the dough on a floured surface for about 8-10 minutes.
Form the dough into a ball and place it in a greased bowl.
Cover the bowl with a damp cloth and let it rise for 1 hour.
Punch down the dough and shape it into a loaf.
Place the loaf into a greased loaf pan.
Cover and let rise again for about 30 minutes.
Preheat the oven to 375°F (190°C) and bake for 30-35 minutes.