This Philly Cheesesteak Casserole captures the iconic trio of Philly cheesesteaks—tender beef, sautéed peppers and onions, and melty cheese—in a hearty, one-dish bake. With just 7 simple ingredients, it’s ready in under an hour and perfect for weeknights, game day, or feeding a crowd with zero fuss.
No hoagie rolls needed. No stovetop juggling. Just deep, savory comfort straight from your oven.
Why You’ll Love This Recipe
- 🥩 Only 7 ingredients—pantry staples!
- ⏱️ 15 minutes prep, 30–35 minutes bake
- 💛 One baking dish = easy cleanup
- 💸 Costs under $10—feeds 6 generously
- 🌾 Naturally nut-free & easily gluten-free (use GF Worcestershire)
Ingredients You’ll Need
(9x13-inch baking dish; serves 6)
- 1½ lbs (680g) ribeye or sirloin steak, thinly sliced (or ground beef in a pinch)
- 2 bell peppers (1 red, 1 green), thinly sliced
- 1 large yellow onion, thinly sliced
- 2 tbsp olive oil
- 2 cups shredded provolone cheese (or Cheez Whiz for authenticity!)
- ½ cup beef broth
- 1 tbsp Worcestershire sauce
- Salt & black pepper to taste
- Optional: 1 tsp garlic powder, ½ tsp smoked paprika
💡 Pro Tips:
- Slice beef paper-thin—partially freeze for 30 minutes to make slicing easier.
- Sauté veggies until soft and caramelized—this builds flavor depth.
- Use deli-sliced provolone—it melts smoother than pre-shredded cheese.
Step-by-Step Instructions (Savory, Cheesy, Foolproof)
1. Sear the Beef
- Heat 1 tbsp oil in a skillet over high heat.
- Season beef with salt and pepper; sear 2–3 minutes until browned (don’t overcook). Remove and set aside.
2. Sauté Peppers & Onions
