Chicago Style Deep Dish Pizza (STEP BY STEP)

Ingredients

• 3¼ cups (16.25 oz) all-purpose flour
• ½ cup (2.75 oz) yellow cornmeal
• 1½ tsp salt
• 2 tsp sugar
• 2¼ tsp instant or rapid rise yeast
• 1¼ cups (10 oz) water, at room temperature
• 3 Tb unsalted butter, melted
• 1 tsp. olive oil
• 4 Tb unsalted butter, softened
• 2 Tb unsalted butter
• ¼ cup grated onion (from large holes of grater)
• ¼ tsp dried oregano
• ½ tsp salt
• 2 garlic cloves, minced or pressed (2 tsp)
• 1 (28 oz) can crushed tomatoes
• ¼ tsp sugar
• 2 Tb fresh basil leaves, coarsely chopped
• 1 Tb extra-virgin olive oil
• Ground black pepper
• 4 Tb olive oil
• 1 lb mozzarella, shredded (about 4 cups)
• ½ oz parmesan cheese, grated (about ¼ cup)