Lean ground beef (90/10)
1½ lbs
Leaner cuts work best — less grease
Bell peppers (any color)
2, sliced
Green for classic flavor, red/yellow for sweetness
Yellow onion
½ large, thinly sliced
Sweetness and aroma
Garlic, minced
1 clove
For depth
Seasoned salt (Lawry’s or Morton’s)
1 tsp
The signature Philly flavor
Provolone cheese
4 slices, torn or chopped
Melts beautifully — or use shredded
Large eggs
4
Binds the casserole together
Heavy cream
¼ cup
Adds richness and silkiness
Hot sauce (like Cholula or Frank’s)
1 tsp
Zesty kick — adjust to taste
Worcestershire sauce
1 tsp
Umami depth
Optional: Sliced mushrooms
1 cup
For extra savoriness
Pro Tip: For a low-carb version, skip the crust — it’s already naturally bread-free!
Step-by-Step: How to Make Philly Cheesesteak Casserole
Step 1: Preheat & Prep
Preheat oven to 375°F (190°C)
Grease a 9×13-inch baking dish or 10-inch cast-iron skillet
Step 2: Cook the Filling
In a large skillet over medium heat, cook ground beef until browned
Drain excess fat
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