Philly Cheesesteak Casserole
Ingredients
- 1 large green bell pepper
- 1 large yellow bell pepper
- 1 large red bell pepper
- 2 tablespoons salted butter
- 1 small onion
thinly sliced, about 1/2 cup
- 3 cloves garlic
minced
- 8 ounces cremini mushrooms
thinly sliced
- 1 1/2 pounds deli- style roast beef
thinly sliced
- 6 slices provolone cheese
about 6 ounces
- 1 cup shredded shredded mozzarella cheese
Directions
- 1
Cut the tops off the peppers, remove the ribs and seeds, and thinly slice the peppers. Set aside.
- 2
Heat the butter in a large deep-sided ovenproof skillet or Dutch oven over medium-low heat. Add the onion and garlic and cook until the onion is translucent and the garlic is fragrant, about 7 minutes.
- 3
Add the mushrooms and peppers to the skillet. Cook until the mushrooms release their liquid and the peppers are crisp-tender, about 10 minutes.
- 4
Preheat the oven to 350°F.
- 5
Add the roast beef to the skillet and mix with the vegetables. Taste, and add salt and pepper, if desired. Top with the provolone cheese, then sprinkle the mozzarella cheese over the top.
- 6
Bake for 15 minutes, then finish under the broiler for 2 to 3 minutes, until the cheese is browned and bubbling.
Philly Cheesesteak Casserole
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About this Recipe
Craving the iconic flavors of a Philly cheesesteak, but in a comforting, easy-to-serve dish? This Philly Cheesesteak Casserole delivers all the savory satisfaction you love, reimagined for your dinner table.
This casserole marries tender, thinly sliced deli-style roast beef with a vibrant medley of sautéed bell peppers—green, yellow, and red—alongside aromatic onions and earthy cremini mushrooms. All these savory components are beautifully bound together by the irresistible, gooey melt of provolone and mozzarella cheeses, creating a harmonious blend of textures and tastes.
You can expect a hearty and deeply satisfying dish where each bite brings together the rich, savory depth of the roast beef with the sweet, tender crunch of colorful bell peppers and soft, fragrant onions. The addition of earthy cremini mushrooms deepens the flavor profile, all enveloped in a luxurious blanket of melted provolone and shredded mozzarella cheese for that signature gooey, stretchy texture. This casserole offers a robust, comforting flavor that’s perfect for a weeknight meal or a casual gathering.
Customization & Variations
While roast beef is a classic choice, feel free to explore other thinly sliced meats like shaved steak or even cooked chicken. For more vegetable variety, you could add extra bell peppers or onions. You can also experiment with different cheeses, though provolone and mozzarella provide that quintessential Philly cheesesteak taste.
This comforting Philly Cheesesteak Casserole makes a fantastic centerpiece for family dinners or a casual potluck. Serve it warm on its own, or alongside a simple green salad to complete the meal.