1-Getting started with this Philly Cheesesteak Stromboli is straightforward and fun, perfect for cooks of all levels. Begin by preheating your oven to 400 degrees Fahrenheit and preparing your ingredients for a smooth cooking process. This recipe takes about 15 minutes to prepare and 20 minutes to cook, making it ideal for busy evenings.

2-First, heat a large pan over medium-high heat and add 1 tablespoon of vegetable oil. Season 1 pound of thinly sliced roast or sandwich steak with salt and pepper, then cook it for 2-3 minutes until it starts to brown. Next, add 1 medium sliced onion, 1/2 sliced bell pepper, and the contents of 1 small jar of sliced mushrooms; sauté for another 2-3 minutes until the onions lightly brown, but don’t overcook as they’ll bake more later.

3-Now, roll out half of the pizza dough into a 9 x 13 inch rectangle on a floured surface. Place the cooked steak and vegetable mixture in the center, leaving a 1/2-inch border around the edges. Layer on 8 ounces of shredded or sliced cheese, plus 6 slices of optional additional cheese for extra gooeyness. For a helpful tip, check out tips on cooking steak perfectly in similar recipes to enhance your skills.

4-Fold in the sides of the dough and roll it tightly to form a loaf, sealing the edges well. Place it seam side down on a greased baking sheet. Brush the outside with 1 beaten egg and cut thin strips on top for ventilation. Bake for 15-20 minutes until golden brown, then let it cool slightly before slicing. Serve warm with ranch or marinara sauce, and remember, these steps keep the flavors balanced and the texture just right.