Cheesesteak Noodle Soup - No Yolks

Ingredients

• 1/2 bag No Yolks® Broad Noodles
• 1/3 cup unsalted butter
• 1 large yellow onion, thinly sliced
• 1 large green bell pepper, thinly sliced
• 8 oz white button mushrooms, sliced
• 1/3 cup all-purpose flour
• 6 cups low-sodium chicken broth
• 4 cups shredded cheddar cheese, plus more for serving
• 1 lb shaved beef steak
• 1 tbsp olive oil
• 2 tbsp chopped fresh parsley
• 3 cups croutons, for serving
• Salt and black pepper, to taste