Easy Philly Cheesesteak Soup (Creamy, Cheesy, Ready Fast)

Ingredients

• 1 hoagie roll, cut into 1-inch cubes
• 1 tablespoon olive oil
• 1/4 teaspoon garlic powder
• 1 lb (450 g) thin-sliced ribeye or top sirloin
• 1 teaspoon kosher salt, divided
• 1/2 teaspoon black pepper, divided
• 1 medium yellow onion, thinly sliced
• 1 green bell pepper, thinly sliced
• 1 red bell pepper, thinly sliced
• 8 oz (225 g) cremini mushrooms, sliced
• 3 tablespoons unsalted butter
• 3 cloves garlic, minced
• 3 tablespoons all-purpose flour
• 4 cups (960 ml) low-sodium beef broth
• 1 teaspoon Worcestershire sauce
• 1 cup (240 ml) heavy cream
• 6 oz (170 g) provolone cheese, chopped or shredded
• 1 cup (115 g) shredded white cheddar cheese
• 2 tablespoons chopped parsley, optional