Steak Pizzaiola with Garlic Bread

Name: Steak Pizzaiola with Garlic Bread
Ingredients: 2 12-ounce boneless sirloin steaks (1 inch thick), trimmed; Kosher salt and freshly ground pepper; 6 tablespoons extra-virgin olive oil; 2 cloves garlic, minced; 1 12-inch loaf Italian bread, halved lengthwise, each half cut into 4 pieces; 1/4 cup grated Parmesan cheese, plus more for topping; 1 1/4 teaspoons dried oregano; 2 bell peppers (red, yellow or orange), sliced into strips; 1 large sweet onion, thickly sliced; 1/2 cup dry white wine; 1 24-ounce bottle tomato passata; 1/4 cup chopped fresh parsley