Homemade Artisan Bread

Bahan-bahan (3 porsi)

• 6½ cups all-purpose flour (spooned into measuring cup and leveled-off (preferably King Arthur; see note))
• 4 teaspoons kosher salt
• 1½ tablespoons instant/rapid-rise yeast ((see note))
• 3 cups lukewarm water ((no need to be exact, but lukewarm is about 100°F/38°C))
• Cornmeal, (for dusting the pan)