In a large bowl, combine flour, sugar, undissolved yeast, and salt. Gradually add water and oil to mixture. Blend at low speed until moistened, then beat for 2 minutes at medium speed until dough pulls away from sides of the bowl.
On a lightly floured surface, knead until dough is smooth and elastic.
Cover loosely with plastic wrap and let rest in a warm place for 15 minutes.
Press out dough onto 3 pizza pans. Poke the dough randomly with a fork. Let rise again in a warm place for 10-15 minutes.
Brush crusts lightly with oil and bake them for 5 minutes. Remove from oven.
Combine all sauce ingredients in a large sauce pan over medium heat. Bring to a boil. Reduce heat to low and let simmer for 15-20 minutes.
Top pizza crusts as desired. Bake for 4-5 more minutes or until the crust is golden brown.