Easy Philly Cheesesteak Casserole for a Hearty Dinner

Transform the beloved Philly cheesesteak sandwich into a crowd-pleasing casserole that is perfect for busy weeknight dinners. This recipe brings together the savory richness of browned ground beef, the sweetness of sautéed peppers, and a decadent blanket of melted mozzarella cheese.

It is a simple meal that delivers all the classic flavors you crave in a warm, bubbly, and satisfying format that the entire family will enjoy.

This Philly cheesesteak casserole is designed for efficiency and flavor. By using ground beef, you eliminate the need for precise slicing of expensive steak cuts, making this an accessible option for any night of the week.

The combination of bell peppers provides a fresh aromatic base that complements the savory meat. Once baked, the cheese forms a golden crust that pulls away in satisfying strings, ensuring every bite is as delicious as the last. It is a hearty meal that requires minimal cleanup.

Ingredients

Why this recipe works

The method of using ground beef ensures that the protein cooks quickly and evenly, allowing the flavors of the peppers to permeate the meat. By sautéing the vegetables separately in the skillet before baking, you ensure they reach the perfect level of tenderness without becoming mushy in the oven. This two-stage cooking process is essential for achieving the best texture.

Baking the assembled components allows the cheese to melt into the crevices of the beef and vegetables, creating a unified flavor profile.

The high heat of the oven helps to slightly brown the cheese, which adds a savory depth and a pleasant contrast in texture. Resting the casserole for a few minutes after baking is crucial for allowing the juices to redistribute and the cheese to stabilize.

Notes and substitutions

Ground beef with a moderate fat content, such as 80/20, works best for this recipe as it provides flavor and moisture. If a leaner beef is used, consider adding a small amount of oil to the skillet to prevent sticking. The bell peppers should be sliced into uniform strips to ensure they cook evenly and provide a consistent bite throughout the dish.

A standard 9x13 inch glass baking dish is recommended for this recipe, as it provides enough surface area for the cheese to brown effectively. If a different size dish is used, the baking time may need to be adjusted slightly.

Ensure the oven is fully preheated before placing the casserole inside to guarantee that the cheese melts properly before the vegetables become overcooked.

• ground beef: thinly sliced sirloin steak for a more authentic texture
• mozzarella cheese: provolone cheese for a sharper flavor profile

Equipment

• large skillet
• 9x13 inch baking dish
• metal spatula
• cutting board
• chef knife