The Easiest 4-Ingredient Philly Cheesesteak Casserole

When it comes to holiday dinners or busy weeknight meals, we often think we need to spend hours in the kitchen to impress our guests. However, as this dish proved at our recent Easter dinner, sometimes the simplest recipes are the ones people can’t stop talking about.

This 4-Ingredient Philly Cheesesteak Casserole takes all the iconic flavors of the classic sandwich—savory beef, crisp peppers, and melted cheese—and transforms them into a low-carb, gluten-free bake that is remarkably easy to prepare. Whether you are hosting a large family gathering or looking for a reliable meal-prep option, this recipe is a total game-changer.

Why This Recipe Works

The magic of this dish lies in the high-heat roasting process. By using just four primary ingredients, each component has the chance to shine. The ground beef provides a rich, hearty base, while the green bell peppers add a necessary crunch and a hint of sweetness. The melted cheese acts as the “glue,” binding everything together into a decadent, bubbly masterpiece.

The Four Essential Ingredients:

1. Ground Beef: Look for a lean-to-fat ratio of 80/20 or 85/15 for the best flavor.

2. Green Bell Peppers: Large, firm peppers provide the best texture.

3. Provolone or Mozzarella Cheese: Provolone offers that authentic “Philly” tang, but Mozzarella is excellent for a superior cheese pull.

4. Cream Cheese: This is the secret ingredient that creates a hidden, creamy sauce beneath the meat.

Ingredients

• 2 lbs Ground Beef

• 3 Large Green Bell Peppers, chopped into 1-inch pieces

• 8 oz Cream Cheese, softened

• 2 Cups Shredded Provolone or Mozzarella Cheese

(Optional Pantry Staples: Salt, black pepper, and garlic powder for seasoning the meat.)